... Cup Wheel 2.size:4",5",7" 3.double row 4.cup wheel We have the following workshops: 1. ... plastic back-up pads,grinding stone, stone brushesstone cutting machines, pneumatic water sandersmetal suction cups, plastic suction cups, grout bagsgrout hole ... DIY tools to Japan, Germany, the USA and Australia Diamond Double Row Cup Wheel 4",5",7"