... grinders, aggressively remove material by grinding on the perip Grinding Wheel/Abrasive disc, grinding, Dia. 4.5 In., Thickness 1/4 ... ,etc.For Use With Angle Grinder, Fast Metal grinding.Item NO.: DA115-6-4Item #DA115-6-4Wheel TypeGrindingDia.4.5 In ... OxideGrit24Bond TypeResinMax. RPM16,616ApplicationGeneral Purpose MetalCountry of OriginChina grit grinding wheel