Specification Brand : uxcell BulletPoint1 : 4 inch outside diameter, 100 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. Color : Brown CompatibleDevices : Angle Grinder ConstructionType : Coated,grinding ExternallyAssignedProductIdentifier : 5056133305371 ExternallyAssignedProductIdentifier1 : 601382730693 ExternallyAssignedProductIdentifier2 : 0601382730693 GpsrSafetyAttestation : 1 IncludedComponents : Grinding disc IndustryStandardIdentifier : TE864 ItemName : uxcell 100mm 4-inch Grit 100 Diamond Coated Flat Lap Disk Wheel Grinding Sanding Disc ItemPackageDimensions_Height : 14.6 centimeters ItemPackageDimensions_Length : 0.8 centimeters ItemPackageDimensions_Width : 14.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-grinding-discs Manufacturer : uxcell Material : Metal,Diamond Coated MaximumRotationalSpeed : 4450 rpm ModelName : 2281 ModelNumber : a17030900ux1445 NumberOfItems : 1 PartNumber : a17030900ux1445 ProductDescription : 1. 4 inch outside diameter, 100 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.