Specification Brand : Baiwen BulletPoint1 : Material:Resin,CBN, Grit:150# BulletPoint2 : Diameter:100mm/Approx. 4", Bore Diameter:20mm/Approx. 4/5", Sand Width:8mm, Thickness:9, 16mm BulletPoint3 : Can be used for grinding all kinds of milling cutter and etc,the effect is excellent. BulletPoint4 : It can be used for grinding hard and brittle materials such as tungsten steel, hard alloy, woodworking tool and die steel. BulletPoint5 : 1 x CBN Diamond Grinding Wheel CompatibleDevices : Grinder ConstructionType : Grinding ExternallyAssignedProductIdentifier : 6452148742009 ExternallyAssignedProductIdentifier1 : 094703753745 ExternallyAssignedProductIdentifier2 : 0094703753745 IndustryStandardIdentifier : 34617 ItemName : 4" CBN Diamond Grinding Wheel Abrasive Tool, 4/5" Bore, for Paper Mill Cutter Grinding ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : surface-grinding-wheels Manufacturer : Baiwen Material : aluminum oxide ModelNumber : BWxlq000004 NumberOfItems : 1 PartNumber : BWxlq000004 ProductDescription : Features: It is 100% brand new and high quality. High grinding efficiency, long service life, no broken edges, no tremor. Small grinding resistance, improve the product speed, after grinding products beautiful, high precision. CBN grinding wheel used for grinding all kinds of serrated teeth ,sharpen edges Can be used for grinding all kinds of milling cutter and etc,the effect is excellent. It can be used for grinding hard and brittle materials such as tungsten steel, hard alloy, woodworking tool and die steel.