It has strong grinding force and smoothness. There will be no color left on stone after polishing. Using diamond as abrasion and combined with material. Mainly used stone, glass, ceramics, crystal, ceramic stone, concrete, metal, solar crucible of lapping and polishing. Features - Color: Assorted color. - Material: Diamond, . - Size: 10.00X10.00X3.50cm/3.93X3.93X1.38 inch. - Great for fast polishing speeds of rough grinding, smooth grinding, fine grinding, polishing. - Good smoothness result and no scratches or color staining left. - Outstanding for concrete marble terrazzo floor polishing and other stone flat or contoured surface polishing. - With color coded hook and on polishing pads, the polishing discs can be easily and fast identified, attached to and torn off from polisher. - Adopts precision production to the stable characteristics and high reliability. Package list: 12 x Polishing Pads