Sunny Diamond cup wheel 1. Fast grinding speed and good grinding result 2. Delivery within 7days 3. Reply within 12Hours Sunny Turbo Diamond cup wheel are Mainly for all types of Stones and concrete grinding,leveling and polishing, such as Granite, Marble, Sandstone, Limestone, etc, which is normally used on handwork angle grinders. The specification of Diamond cup wheel are as following for your ...