Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice Baisiky 
20Pcs 3x10mm 80 Grit Mounted Point Cone Shape Sandpaper Deburring Sanding Polishing Flap Wheel with 1/8" Shank Abrasive SIZE：20Pcs Cone Flap Wheel.Shank Diameter x Head Diameter x Length : 3x10x55mm ; Grit:80#; 1/8" Shank。JINGLING 
JINGLING 30Pcs 3.2mm Tapered Point Diamond Grinding Bit 1/8" Cone Rotary Burrs for Dremel Suitable for grinding the edges of glass, stone, ceramic, shell, jewelry or hard alloyYsyaxsyt 
Ysyaxsyt 8 Pcs Cone Shape Grinding Stone - 1/4inch Hex Shank Abrasive Stone Mounted Grinding Point for Rotary Tool Drill [Materials]Made of Alumina. and wear resistanceuxcell 
uxcell 5 Pcs Silicone Rubber Grinding Buffing Wheels 120 Grits 10mm Dia Cone Shape Polishing Head for Electric Rotary To Size - 10mm diameter rubber electric grinding head with 2.35mm shank, lightweight and portable.Best Value Glarks 
Glarks 54Pcs Abrasive Grinding Stone Points Sanding Drill Bit and Abrasive Flap Wheel Sander 80 Grit Assortment Kit with ♛【Package Detail】: This set includes 42pcs grinding stones and 12pcs abrasive flap wheel sanders. The grinding stone bitJoyzan 
Nail Drill Bits, Professional Nails File Bits Set Electric Manicure Pedicure Tungsten Steel Grinding Head Polish Tools C Tungsten Steel Nail Care Bits: This cuticle nail drill bit is easy to use, safe and reliable, and drill bit for gel nailuxcell 
uxcell 1/4-inch Shank 6mm Tip Dia Cone Head Grinding Bit Diamond Mounted Point 5pcs Package Content: 5pcs x Diamond Mounted Point; Weight: 63gLUO KE Luo ke 35 Pcs 10mm Rubber Polishing Bits, 3/32'' Shank Silicone Rubber Polishing Kits Grinding Points for Jewelry, Jade, 【Material】 Made of silicone and premium corundum abrasive, good grinding effect and long service lifeTopHomer 5 Pcs Tungsten Carbide Rotary Point Burr Die Grinder Bit 1/4" Shank Kit for Woodworking Drilling Metal Carving Engraving PREMIUM MATERIAL---This shank rotary burr kit is made of high quality HSS steel has good process performance, good strenHALLMERS HALLMERS 30pcs Assorted Diamond Burrs - 2.3mm Shank Ball Cylinder Cone Oval Head Drill Bits for Grinding Carving Engravi This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingLeefasy Leefasy 3 Pieces Grinding Wheels Bit,Grinding Mounted Point Cone Grinding Head,60mm Long Grinding Head for Grinding Carv 【Material】:The Grinding Bit is made of durable diamond grit material, which is environmentally friendly and efficient, hSTARTIST STARTIST 3Pcs Grinding Wheels Bit Grinding Mounted Point Cone Grinding Head,Universal Rotary Tool Grinding Head for Grin 【Product Dimensions】:The total length of the grinding head is 60mm which makes it suitable for detailed work.Baisiky 20Pcs 6x16mm Mounted Point Cone Shape Sandpaper Deburring Sanding Polishing Flap Wheel Grinding Head Rotary Tool with 1/ SIZE：20Pcs Cone Flap Wheel.Shank Diameter x Head Diameter x Length : 6x16x65mm ; Grit:80#; 1/8" Shank。Generic Generic 3 Pieces Grinding Wheels Bit,Grinding Mounted Point Cone Shape,Drill Attachment Diamond Grinding Burr Drill Bit 【Material】:The Grinding Bit is made of durable diamond grit material, which is environmentally friendly and efficient, hＡＷＨＡＯ ＡＷＨＡＯ 3 Pieces Grinding Bit, Grinding Mounted Point Cone Grinding Head Diamond Grinding Burr Drill Bit, 6mm 【Widely Applicable】:The Diamond Grinding Burr Drill Bit,which is easy to use. Suitable for hand electric drills and grinuxcell uxcell 2.35mmx5mm Diamond Coated Inverted Cone Mounted Points Grinding Bits 5pcs Head Size: 5 x 3mm/0.2" x 0.12"(Max.D*L); Main Material: Metal,Diamond Coateduxcell uxcell 2.35mmx5mm Diamond Coated Inverted Cone Mounted Points Grinding Bits 5pcs Head Size: 5 x 3mm/0.2" x 0.12"(Max.D*L); Main Material: Metal,Diamond CoatedLUO KE Luo ke 35 Pcs 6mm Cone Shape Rubber Polishing Bits, 3/32'' Shank Silicone Rubber Polishing Kits Grinding Points for Jewe 【Material】 Made of silicone and premium corundum abrasive, good grinding effect and long service lifeuxcell uxcell 6mm Shank 10mm Dia Cone Head Grinding Bit Diamond Mounted Point 5pcs Product Name : Diamond Mounted Point;Tip Shape : ConeHALLMERS HALLMERS 5pcs Diamond Burrs Cone Head 5mm Diameter - 3mm Shank Tapered Pointed Drill Bits for Grinding Carving Polishing This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingYajuyi Yajuyi 3Pcs Grinding Bit,Diamond Grinding Burr Drill Bit,Cone Shape Grinding Head Grinding Mounted Point for Engraving, 【Multi Function】:Grinding Bit For Metal is for DIY crafts, hobbies, home repairs, engraving and polishing, jewelry makinHALLMERS HALLMERS 5pcs Diamond Burrs Cone Head 10mm Diameter - 3mm Shank Tapered Pointed Drill Bits for Grinding Carving Polishin This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingHALLMERS HALLMERS 6pcs Diamond Burrs Cone Head 80 Grit 6mm - 16mm Diameter - 3mm Shank Tapered Pointed Drill Bits for Grinding Ca This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingHALLMERS HALLMERS 5pcs Diamond Burrs Cone Head 4mm Diameter - 3mm Shank Tapered Pointed Drill Bits for Grinding Carving Polishing This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindinguxcell uxcell 2.9mm Dia Shank 4mm x 14mm Cone Head Felt Mounted Point Grinding Bits 12pcs Product Name : Mounted Point;Felt Head Size : 4 x 14mm / 0.16" x 0.55" (D*L)HALLMERS HALLMERS 5pcs Diamond Burrs Cone Head 8mm Diameter - 3mm Shank Tapered Pointed Drill Bits for Grinding Carving Polishing This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingHALLMERS HALLMERS 5pcs Diamond Burrs Cone Head 6mm Diameter - 3mm Shank Tapered Pointed Drill Bits for Grinding Carving Polishing This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingFonowx Fonowx 3Pcs Grinding Bit Grinding Head Cone Shape, Diamond Grinding Burr Drill Bit,Grinding Mounted Point for Glass Ston 【Product Dimensions】:The total length of the grinding head is 60mm which makes it suitable for detailed work.DSC DSC 1500723 Wooden Applicator Cone Ideal for fast and easy fitting of rubber grip on cricket bat handle.SagaSave Diamond Burr Bits, 10Pcs Inverted Cone Mounted Points Grinding Bits for Grinding, Stone Glass Ceramics Carving, Polishin Material: The drill bit is made of high-strength synthetic diamond and high-hardness alloy materials to ensure its durabuxcell uxcell 2.35mmx5mm Diamond Coated Inverted Cone Mounted Points Grinding Bits 10pcs Head Size: 5 x 3mm/0.2" x 0.12"(Max.D*L); Main Material: Metal,Diamond CoatedLUKAS LUKAS A201502032602 Grinding Point EK KE Cone 20 x 32 mm Length: 32 mmSagaSave Diamond Burr Bits, 10Pcs Inverted Cone Mounted Points Grinding Bits for Grinding, Stone Glass Ceramics Carving, Polishin Material: The drill bit is made of high-strength synthetic diamond and high-hardness alloy materials to ensure its durabDGZ Store 4 pcs 25mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing High-Quality Materials: polishing bit Made of 80 grit aluminum oxide, excellent polishing effect and extremely durable.DGZ Store 4 pcs 25mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing High-Quality Materials: polishing bit Made of 80 grit aluminum oxide, excellent polishing effect and extremely durable.uxcell uxcell 6mm Shank 10mm Dia Cone Head Grinding Bit Diamond Mounted Point 2pcs Product Name : Diamond Mounted Point;Tip Shape : ConeSagaSave Diamond Burr Bits, 10Pcs Inverted Cone Mounted Points Grinding Bits for Grinding, Stone Glass Ceramics Carving, Polishin Material: The drill bit is made of high-strength synthetic diamond and high-hardness alloy materials to ensure its durabHALLMERS HALLMERS 5pcs Diamond Burrs Round Nose Taper Head 4mm Diameter - 2.35mm Shank Cone Arrow Drill Bits for Grinding Carving This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingHALLMERS HALLMERS 5pcs Diamond Burrs Round Nose Taper Head 2mm Diameter - 2.35mm Shank Cone Arrow Drill Bits for Grinding Carving This is a handy and versatile diamond coated burr set for all grinding needs, used for a variety of carving and grindingAexit Aexit 4Pcs (Abrasives) Abrasives Polishing Grinding Cone Mounted Point (94ry833qf309) Tool 3mmx15mmx6mm Product Name : Mounted Point;HeadSize : 6 x 15mm / 0.24" x 0.59" (D*L)Aexit Aexit 2.35mmx2mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (31ry830qf459) Bits 20pcs Head Size: 2 x 1mm/0.08" x 0.04"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 4pcs (Abrasives) 12mm Cone Metallic Jewelry Polishing Grinding Point Mounted (87ry217qf455) Head Gray Product Name : Mounted Point;Material : Abrasives, MetalSagaSave Abrasive Grinding Head, Abrasive Stone Mounted Points Head Kit for Ceramic, Wood and Metal - 3mm Shank and 5mm Cone Head Made of high-quality abresive materia, which is high hardness, good wear resistance and uniform particles.Aexit Aexit 3mm (Abrasives) Dia drill hole 3mm Cone Head Ceramic Mounted Point Grinding Bit (10ry107qf106) Pink 5pcs Product Name: Ceramic Mounted Point; Package Content: 5pcs x Ceramic Mounted PointAexit Aexit 3mm (Abrasives) Dia drill hole 4mm Cone Head Ceramic Mounted Point Grinding Bit (54ry750qf226) Pink 5pcs Product Name: Ceramic Mounted Point; Package Content: 5pcs x Ceramic Mounted PointAexit Aexit 3mm (Abrasives) Dia drill hole 5mm Cone Head Ceramic Mounted Point Grinding Bit (42ry394qf39) Pink 5pcs Product Name: Ceramic Mounted Point; Package Content: 5pcs x Ceramic Mounted PointAexit Aexit 3mm (Abrasives) Dia drill hole 6mm Cone Head Ceramic Mounted Point Grinding Bit (39ry466qf94) Pink 5pcs Product Name: Ceramic Mounted Point; Package Content: 5pcs x Ceramic Mounted PointAexit Aexit 12mmx3mmx46mm (Abrasives) Cone Head Felt Mounted Grinding Point Buffing Tool (66ry783qf473) Polishers 10pcs Head Size: 12 x 21mm/0.5" x 0.8"(Max.D*L); drill hole Size: 3mm/0.12"(D)Aexit Aexit 3mm (Abrasives) Dia drill hole 10mm Cone Head Ceramic Mounted Point Grinding Bit (48ry333qf448) Pink 5pcs Product Name: Ceramic Mounted Point; Package Content: 5pcs x Ceramic Mounted PointAexit Aexit 3mm (Abrasives) Dia drill hole 8mm Cone Head Ceramic Mounted Point Grinding Bit (97ry63qf390) Pink 5pcs Product Name: Ceramic Mounted Point; Package Content: 5pcs x Ceramic Mounted PointAexit Aexit 3mm (Abrasives) Dia drill hole 12mm Cone Head Ceramic Mounted Point Grinding Bit (38ry479qf301) Pink 5pcs Product Name: Ceramic Mounted Point; Package Content: 5pcs x Ceramic Mounted PointILOVETOOL ILOVETOOL 150 Grit Diamond Cone Grinding Bits 60mm Mounted Points for Glass Hole Chamfer Electroplated diamond burrs for glass drilling, diamond drilling hole diamond burrs.Aexit Aexit 12mm (Abrasives) Dia Abrasive Bit Polishing Cone Point Grinding Mounted Head (28ry851qf480) 15 Pcs Product Name : Grinding Head;Head Size : 12 x 18mm / 0.47" x 0.7"(D*L)Aexit Aexit 3mm (Abrasives) Dia drill hole 4mm Cone Head Ceramic Mounted Point Grinding Bit (78ry464qf393) Pink 10pcs drill hole Size: 3 x 33mm / 0.12" x 1.3"(D*L); Total Length: 44mm / 1.7"Aexit Aexit Cone (Abrasives) Shaped Polishing Grinding Rotary Tool Rubber Mounted Point (50ry331qf712) Blue 10pcs Head Size: 8 x 19mm/0.3" x 0.75"(D*L); drill hole Size: 3 x 30mm/0.12" x 1.2"(D*L)Aexit Aexit 3mm (Abrasives) Dia drill hole 3mm Cone Head Ceramic Mounted Point Grinding Bit (38ry80qf61) Pink 10pcs Product Name: Ceramic Mounted Point; Package Content: 10pcs x Ceramic Mounted PointAexit Aexit 3mm (Abrasives) Dia drill hole 6mm Cone Head Ceramic Mounted Point Grinding Bit (75ry104qf302) Pink 10pcs Product Name: Ceramic Mounted Point; Package Content: 10pcs x Ceramic Mounted PointAexit Aexit 4mm (Abrasives) Dia Abrasive pipes tubes Jewelry Polishing Tool Cone Point Grinding Head (85ry251qf80) 10 Pcs Product Name : Grinding Head;Head Size : 4 x 15mm / 0.16" x 0.6"(D*L)Aexit Aexit 3mm (Abrasives) Dia drill hole 5mm Cone Head Ceramic Mounted Point Grinding Bit (95ry369qf191) Pink 10pcs Product Name: Ceramic Mounted Point; Package Content: 10pcs x Ceramic Mounted PointAexit Aexit 6mm (Abrasives) Dia Abrasive pipes tubes Polishing Tool Cone Point Grinding Mounted Head (50ry704qf58) 20 Pcs Product Name : Grinding Head;Head Size : 6 x 18mm / 0.24" x 0.7"(D*L)Aexit Aexit 6mm (Abrasives) Dia Abrasive Bit Jewelry Polishing Cone Point Grinding Mounted Head (55ry128qf511) 10 Pcs Product Name : Grinding Head;Head Size : 6 x 18mm / 0.24" x 0.7"(D*L)Aexit Aexit 3mm (Abrasives) Dia drill hole 4mm Cone Head Ceramic Mounted Point Grinding Bit (35ry120qf594) Pink 15pcs Product Name: Ceramic Mounted Point; Package Content: 15pcs x Ceramic Mounted PointAexit Aexit 3mm (Abrasives) Dia drill hole 5mm Cone Head Ceramic Mounted Point Grinding Bit (61ry58qf254) Pink 15pcs Product Name: Ceramic Mounted Point; Package Content: 15pcs x Ceramic Mounted PointAexit Aexit 3mmx12mm (Tool holder) Diamond Coated Inverted Cone Mounted Points Grinding (50ry399qf315) Bits 2pcs Head Size: 12 x 5mm/0.47" x 0.2"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 10mm (Abrasives) Dia Abrasive Bit Polishing Cone Point Mounted Grinding Head (57ry732qf302) 4 Pcs Product Name : Mounted Point;Material : Abrasives, MetalAexit Aexit 3mm (Abrasives) Dia drill hole 6mm Cone Head Ceramic Mounted Point Grinding Bit (61ry637qf486) Pink 15pcs Product Name: Ceramic Mounted Point; Package Content: 15pcs x Ceramic Mounted PointSagaSave Abrasive Grinding Head, Abrasive Stone Mounted Points Head Kit for Ceramic, Wood and Metal - 3mm Shank and 8mm Cone Head Made of high-quality abresive materia, which is high hardness, good wear resistance and uniform particles.Aexit Aexit 3mmx10mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (46ry650qf585) Bits 2pcs Head Size: 10 x 4mm/0.4" x 0.16"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 6mm (Abrasives) Dia Abrasive Bit Polishing Tool Cone Shape Point Grinding Head (23ry271qf200) 5 Pcs Product Name : Grinding Head;Head Size : 6 x 18mm / 0.24" x 0.7"(D*L)Aexit Aexit 5mmx3mm (Abrasives) Cone Head Round drill hole Felt Mounted Grinding Point Buffing (52ry60qf768) Tool 48pcs Head Size: 5 x 17mm/0.2" x 0.7"(Max.D*L); drill hole Size: 3mm/0.12"Aexit Aexit 3mmx10mm (Tool holder) Diamond Coated Inverted Cone Mounted Points Grinding (12ry816qf397) Bits 5pcs Head Size: 10 x 4mm/0.4" x 0.16"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 3mmx12mm (Tool holder) Diamond Coated Inverted Cone Mounted Points Grinding (12ry30qf530) Bits 5pcs Head Size: 12 x 5mm/0.47" x 0.2"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 2.35mmx4mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (25ry699qf753) Bits 5pcs Head Size: 4 x 2.5mm/0.16" x 0.1"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 3mmx14mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (14ry561qf641) Bits 2pcs Head Size: 14 x 5mm/0.55" x 0.2"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 3mmx16mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (71ry498qf15) Bits 5pcs Head Size: 16 x 5.5mm/0.6" x 0.2"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 3mmx16mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (39ry663qf418) Bits 2pcs Head Size: 16 x 5.5mm/0.6" x 0.2"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 3mmx14mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (94ry625qf196) Bits 5pcs Head Size: 14 x 5mm/0.55" x 0.2"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 10mmx3mm (Abrasives) Cone Head Round drill hole Felt Mounted Grinding Point Buffing (87ry702qf190) Tool 12pcs Head Size: 10 x 19mm/0.4" x 0.7"(Max.D*L); drill hole Size: 3mm/0.12"Aexit Aexit 2.35mmx5mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (88ry423qf576) Bits 5pcs Head Size: 5 x 3mm/0.2" x 0.12"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 2.35mmx6mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (42ry853qf114) Bits 5pcs Head Size: 6 x 3mm/0.24" x 0.12"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 6mmx3mm (Abrasives) Cone Head Round drill hole Felt Mounted Grinding Point Buffing (68ry122qf622) Tool 12pcs Head Size: 6 x 19mm/0.24" x 0.7"(Max.D*L); drill hole Size: 3mm/0.12"Aexit Aexit 12mm (Abrasives) Dia Abrasive pipes tubes Polishing Tool Cone Shape Point Grinding Head (39ry361qf317) 10 Pcs Product Name : Grinding Head;Head Size : 12x 18mm / 0.3" x 0.7"(D*L)Aexit Aexit 8mmx3mm (Abrasives) Cone Head Round drill hole Felt Mounted Grinding Point Buffing (31ry619qf235) Tool 12pcs Head Size: 8 x 19mm/0.31" x 0.7"(Max.D*L); drill hole Size: 3mm/0.12"Aexit Aexit 8mm (Abrasives) Dia Abrasive Bit Polishing Tool Cone Shape Point Grinding Head (81ry159qf626) 10 Pcs Product Name : Grinding Head;Head Size : 8 x 20mm / 0.3" x 0.79"(D*L)Aexit Aexit 3mm (Abrasives) Dia Abrasive Bit Polishing Tool Cone Shape Point Grinding Head (51ry455qf75) 20 Pcs Product Name : Grinding Head;Head Size : 3 x 13mm / 0.1" x 0.5"(D*L)Aexit Aexit 2.35mmx3mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (27ry352qf234) Bits 20pcs Head Size: 3 x 1.5mm/0.12" x 0.06"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 2.35mmx6mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (35ry653qf627) Bits 10pcs Head Size: 6 x 3mm/0.24" x 0.12"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 5mmx3mm (Abrasives) Cone Head Round drill hole Felt Mounted Grinding Point Buffing (79ry860qf220) Tool 12pcs Head Size: 5 x 17mm/0.2" x 0.7"(Max.D*L); drill hole Size: 3mm/0.12"Aexit Aexit 2.35mmx5mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (50ry403qf257) Bits 10pcs Head Size: 5 x 3mm/0.2" x 0.12"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit 2.35mmx4mm (hand operated tools) Diamond Coated Inverted Cone Mounted Points Grinding (94ry653qf251) Bits 10pcs Head Size: 4 x 2.5mm/0.16" x 0.1"(Max.D*L); Main Material: Metal,Diamond CoatedAexit Aexit Green (Abrasives) 12mm Cone Head Mounted Grinding Point Sanding Sharpening Tool (37ry797qf470) 5 Pcs Product Name : Mounted Grinding Point;Material : Abrasives, MetalAexit Aexit 4mmx3mm (Abrasives) Cone Head Round drill hole Felt Mounted Grinding Point Buffing (46ry31qf169) Tool 12pcs Head Size: 4 x 15mm/0.16" x 0.6"(Max.D*L); drill hole Size: 3mm/0.12"Aexit Aexit 2pcs (Material handling) 6mm drill hole 12mm Dia Cone Head Grinding Bit Diamond (81ry480qf268) Mounted Point Product Name : Diamond Mounted Point;Tip Shape : ConeAexit Aexit 12mmx6mm (Standard Parts) Cone Head Ceramic Mounted Point Grinding Bit 3mm Dia drill (84ry87qf315) hole 10pcs Head Size: 12 x 6mm / 0.47" x 0.24"(L*D); drill hole Size: 30 x 3mm / 1.2" x 0.12"(L*D)Aexit Aexit 16mmx10mm (Standard Parts) Cone Head Ceramic Mounted Point Grinding Bit 3mm Dia drill (88ry348qf100) hole 10pcs Head Size: 16 x 10mm / 0.63" x 0.4"(L*Max.D); drill hole Size: 28 x 3mm / 1.1" x 0.12"(L*D)Aexit Aexit 16mmx8mm (Standard Parts) Cone Head Ceramic Mounted Point Grinding Bit 3mm Dia drill (77ry233qf254) hole 10pcs Head Size: 16 x 8mm / 0.63" x 0.3"(L*Max.D); drill hole Size: 28 x 3mm / 1.1" x 0.12"(L*D)Aexit Aexit 4mmx3mm (Abrasives) Cone Head Round drill hole Felt Mounted Grinding Points Polishing (25ry569qf322) Tool 12pcs Head Size: 4 x 15mm / 0.16" x 0.6"(Max.D*L); drill hole Size: 3mm / 0.12"Aexit Aexit 16mmx8mm (Standard Parts) Cone Head Ceramic Mounted Point Grinding Bit 3mm Dia drill (81ry539qf109) hole 15pcs Head Size: 16 x 8mm / 0.63" x 0.3"(L*Max.D); drill hole Size: 28 x 3mm / 1.1" x 0.12"(L*D)Aexit Aexit 16mmx10mm (Standard Parts) Cone Head Ceramic Mounted Point Grinding Bit 3mm Dia drill (24ry146qf186) hole 15pcs Head Size: 16 x 10mm / 0.63" x 0.4"(L*Max.D); drill hole Size: 28 x 3mm / 1.1" x 0.12"(L*D)Aexit Aexit 6mm (hand operated tools) Dia drill hole Cone Head Diamond Mounted Point Grinding Bit (21ry747qf710) Silver Tone Head Size: 10 x 16mm/0.4'' x 0.63''(Max.D*L); Main Material: Metal