Can be widely used for simple grinding work to grinding and polishing work.Because the polishing cloths are folded into V shapes and attached to the pad, polishing work is possible with the 3 sides of the top, bottom, and side.Very economical since it can be used up to the base of the pad.Professional abrasive which is planted one by one by hand and caulked.Polishing of metal tanks and various bead removal.Ideal for polishing of various grooves.Polishing of metals.Grain Size (#):320Outer Diameter x Blade Length x Hole Diameter (mm):100 x 20 x 15Max Working Rotation Speed (rpm):13600Blade Number (sheet):3 x 18Max Working Peripheral Velocity: 72m/s (4300m/min)