... .size:4",5",7" 3.single row 4.cup wheel We have the following workshops: 1. Workshop 1: diamond electroplated ... tools, jewellery tools and industrial tools, like dies, taps, hss or carbide end mills, counter sinks, step drills, cobalt drills, hobs ... Japan, Germany, the USA and Australia Diamond Single Row Cup Wheel 4",5",7"