Specification Brand : uxcell BulletPoint : Sold on Amazon BulletPoint1 : 4 inch outside diameter, 120 Grits, Quality electroplated diamond coated flat lap disk wheel. BulletPoint2 : The flat laps wheels have a 5/8-inch arbor hole for Angle Grinder. BulletPoint3 : They are absolutely flat and parallel to meet the most exacting faceting requirements. BulletPoint4 : For grinding and polishing jewelry, glass, rock,stone, granite,etc. BulletPoint5 : Recommended for rough and fine grinding on faceting material plus general lapidary grinding when precision is required. BulletPoint6 : For industrial/occupational use only. Not for consumer sale or use Color : Silver CompatibleDevices : Angle Grinder ConstructionType : Coated,grinding ExternallyAssignedProductIdentifier : 5056133359398 ExternallyAssignedProductIdentifier1 : 601382730709 ExternallyAssignedProductIdentifier2 : 0601382730709 ExternallyAssignedProductIdentifier3 : 00601382730709 FasteningType : Hook and Loop GpsrSafetyAttestation : 1 IncludedComponents : (5) Discs IndustryStandardIdentifier : A 60280 ItemName : uxcell 100mm 4-inch Grit 120 Diamond Coated Flat Lap Disk Wheel Grinding Sanding Disc ItemPackageDimensions_Height : 20.7 centimeters ItemPackageDimensions_Length : 1.7 centimeters ItemPackageDimensions_Width : 14.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-grinding-discs Manufacturer : uxcell Material : Metal,Diamond Coated MaximumRotationalSpeed : 8000 rpm ModelName : 96700 ModelNumber : a17030900ux1446 NumberOfItems : 5 PackageLevel : unit PartNumber : a17030900ux1446 ProductDescription : 1. 4 inch outside diameter, 120 Grits, Quality electroplated diamond coated flat lap disk wheel. 2. The flat laps wheels have a 5/8-inch arbor hole for Angle Grinder. 3. They are absolutely flat and parallel to meet the most exacting faceting requirements. 4. For grinding and polishing jewelry, glass, rock,stone, granite,etc. 5. Recommended for rough and fine grinding on faceting material plus general lapidary grinding when precision is required.