TDIACUP180 Diamond Cup Wheel 178mm x 22mm Truper – Body made of carbon steel, Excellent removal speed, Turbo diamond cup, For marble, concrete, non-abrasive block and stone, Dry or wet grinding, For fast material removal and a smooth finish, For angle grinder. Diameter: 7in (175mm), Inlet For Arrow (inner diameter) 7/8in (22mm), Abrasive Section: 7mm, Weight: 1144gg, No. Of Segments: 40, Maximum Speed: 18,600rpm