Specification Brand : uxcell BulletPoint1 : 4 inch outside diameter, 150 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 : Assorted Pack CompatibleDevices : Angle Grinder CompatibleMaterial1 : Stainless Steel CompatibleMaterial2 : Metal CompatibleMaterial3 : Alloy Steel CompatibleMaterial4 : Aluminum ConstructionType : Coated,grinding CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 4814282006232 ExternallyAssignedProductIdentifier1 : 601382730716 ExternallyAssignedProductIdentifier2 : 0601382730716 FasteningType : default GpsrSafetyAttestation : 1 IncludedComponents : inc IndustryStandardIdentifier : 8460000 ItemName : uxcell 100mm 4-inch Grit 150 Diamond Coated Flat Lap Disk Wheel Grinding Sanding Disc ItemPackageDimensions_Height : 18.3896 centimeters ItemPackageDimensions_Length : 2.6924 centimeters ItemPackageDimensions_Width : 13.9954 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-grinding-discs Manufacturer : uxcell Material : Metal,Diamond Coated Material1 : Rubber Material2 : Metal Material3 : Aluminum Material4 : Emery MaximumRotationalSpeed : 13000 rpm ModelName : Fladder Blades ModelNumber : a17030900ux1448 NumberOfItems : 3 PackageLevel : unit PartNumber : a17030900ux1448 ProductDescription : 1. 4 inch outside diameter, 150 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.