Specification Brand : Luo ke BulletPoint1 : 【HIGH QUALITY MATERIALS】Rotary grinding head made of high-quality corundum(head) and metal(mandrel).More durable and wear-resistant. BulletPoint2 : 【PRODUCT SIZE】 Stone grinding head included 5 kinds of head shapes; cylinder, cone, round,trapezoid and bullet, each size has 2pcs. shank diameter is 3mm(1/8'') BulletPoint3 : 【VARIOUS SHAPES DESIGN】There are 5 different head shapes can meet all grinding needs,It can also sharpen and de-puncture hard materials. BulletPoint4 : 【WIDE RANGE OF USE】Polishing stone tips heads suitable for polishing and grinding a variety of objects, such as: stone, glass, metal, stainless steel, gems, ceramics, etc., the surface is cleaner and brighter after polishing. BulletPoint5 : 【EASY TO USE】Fits for dremel tool and other rotary tools. Note: this set soft then other grinding stone tool CompatibleDevices : Angle Grinder, Bench Grinder, Die Grinder CompatibleMaterial : Ceramic,decorating,glass,metal,stone ConstructionType : Grinding CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 748497392078 ExternallyAssignedProductIdentifier2 : 0748497392078 ExternallyAssignedProductIdentifier3 : 00618838570567 GpsrSafetyAttestation : 1 IncludedComponents : 6 pcs 1/4'' hex shank grinding stone IndustryStandardIdentifier : GSB0240G ItemName : 10 Pack Rotary Abrasive Mounted Stone Grinding Tool Silicon Carbide Grinding Kit for Rust Remove ItemPackageDimensions_Height : 9.398 centimeters ItemPackageDimensions_Length : 1.1938 centimeters ItemPackageDimensions_Width : 5.588 centimeters ItemPackageQuantity : 1 ItemShape : Taper ItemTypeKeyword : abrasive-grinding-mounted-points Manufacturer : Luo ke Material : Aluminum Oxide MaximumRotationalSpeed : 9070 rpm ModelName : 1/4'' Shank Grinding Stone ModelNumber : LK25565531 NumberOfItems : 10 PartNumber : LK25565531 ProductDescription : Material :corundum sand Shand diameter: 3mm(1/8'') Head diameter: Trapezoid of head : 8mm (2pcs) Cone of head: 7mm(2pcs) Cylinder of head : 6mm(2pcs) Bullet of head : 6mm(2pcs) Round of head: 6mm(2pcs) Package included: 10 Pcs Silicon carbide grinding stone set