Specification Brand : DGZ Store BulletPoint1 : High-Quality Materials: polishing bit Made of 80 grit aluminum oxide, excellent polishing effect and extremely durable. BulletPoint2 : These polishing bits have 1/4” shank, for high speed drills and easy bit changes. BulletPoint3 : Especially useful where larger wheels will not fit or where small abrasive wheels wear out too quickly. BulletPoint4 : Scope of application: Stone Grinding bit for drill Suitable for metal, automobile, aircraft, jade, hardware, stainless steel, aluminum products, wood, plastic, ceramics, etc. Perfect for grinding, polishing or deburring ferrous metals. BulletPoint5 : If you are not satisfied with the stone polishing bit, please feel free to contact us and we will help you out at the first time. ExternallyAssignedProductIdentifier1 : 741837212333 ExternallyAssignedProductIdentifier2 : 0741837212333 GpsrSafetyAttestation : 1 ItemName : 4 pcs 16mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing,Deburring Ferrous Metals(4pcs 6x16 Cylinder Head) ItemPackageDimensions_Height : 6.8072 centimeters ItemPackageDimensions_Length : 1.8034 centimeters ItemPackageDimensions_Width : 5.0038 centimeters ItemShape : Cylindrical ItemTypeKeyword : abrasive-grinding-mounted-points Manufacturer : DGZ Store Material1 : Aluminum Oxide Material2 : Ceramic ModelNumber : BK2004001 PartNumber : BK2004001 ProductDescription : Product Name : Stone Rotary Grinding Bits