Pressure Sensitive self-adhesive abrasive discs are made by painting special adhesive bond on the backs of sand paper or sand cloth, and then stamped into circle and other shapes. Put on the hard rubber discs of wind and electric tools when using. It is mainly used for the polishing of automobiles surface and old paint, wood, stone, metal mold etc. Company: HengDa Import & Export Trading Co., Ltd. Of ShengLi Oil Field