... wet and dry. 2. Polishing fast and durable. 3. Different back can be required. 4. Fast speed. Diamond wedge block is ... , #50, #100, #200, #400,Thickness1.5mm, 3mm, 6mm, 8mm, 10mmBack:Velcro, redi-lock, snail-lock, thread-lock, magnetic-lockWork Condition:Both ... quality finish.3. Using a clamping device, secure material to be polished to a proper work surface. MOQ:No requirement. Delivery clause ...