Specification Brand : Luo ke BulletPoint1 : 【Materials】Made of Corundum sand and Metal. durable and wear resistance BulletPoint2 : 【Feature】 Various grinding head design, meets your different grinding needs BulletPoint3 : 【Arbor】6mm (1/4 inch) hex shank fit for die grinder, drill press and other rotary tool BulletPoint4 : 【Application】 Used for aluminum, agate, steel, alloy, metal and non metal grinding,polishing,buffing BulletPoint5 : 【Package】6 Pieces 1/4'' hex shank corundum sand mounted grinding stone CompatibleDevices : Die Grinder CompatibleMaterial : Ceramic,decorating,glass,metal,stone ConstructionType : Bonded CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 749877633989 ExternallyAssignedProductIdentifier2 : 0749877633989 ExternallyAssignedProductIdentifier3 : 00618838570567 GpsrSafetyAttestation : 1 IncludedComponents : 6 pcs 1/4'' hex shank grinding stone IndustryStandardIdentifier : GSB0240G ItemName : Luo ke 6 Pcs Rotary Grinding Stone, 1/4'' Hex Shank Abrasive Stone Mounted Grinding Point for Rotary Tool Drill ItemPackageDimensions_Height : 13.8 centimeters ItemPackageDimensions_Length : 3.5 centimeters ItemPackageDimensions_Width : 11.6 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 : QH532F NumberOfItems : 6 PartNumber : QH532F ProductDescription : Rotary Grinding Stone set is designed for grinding, deburring and polishing. with three point types (cylinder, cone, T shape), The 1/4'' hex shank rotary grinding stones work on a variety of materials. such as metal, aluminum. steel, copper, etc.