Features: Unique security screw torque. Featured ore, long service life. High density planting sand provides better cutting capacity Pads are ideal for surface prep and getting your product down to the level you need it. Ideal for metal processing, such as cars, motorcycles, painting sheet metal parts, instrumentation, bicycle parts, textile machinery, medical equipment parts, Day surface hardware, plumbing equipment, stainless steel utensils, stainless steel sheet, golf head, vacuum and other products finishing,rounding polishing etc.