... use on angle grinders, aggressively remove material by grinding on the perip Grinding Wheel/Abrasive disc, grinding, Dia. 4.5 In., Thickness 1/4 ... RPM 16,616, For Use With Angle Grinder, Fast Metal grindting.For grinding metal,sainless steel,stone,etc.For Use With Angle Grinder ... , Fast Metal grinding.Item NO.: DA115-6-4Item #DA115-6-4Wheel TypeGrindingDia.4 ...