These discs are made of gold a durable product very well suited for sanding at high speeds. Gold is an all-round sanding material that can be used for many purposes. In order to achieve an optimal sanding result, the semi-open grit binding and special stearate coating are designed to prevent clogging and pill forming. Features: * Made of gold a durable product very well suited for sanding at high speeds * All-round sanding material that can be used for many purposes * Semi-open grit binding and special stearate coating are designed to prevent clogging and pill forming What"s In The Box: * Mirka 23321080 5-Inch 80-Grit Dustless Adhesive Sanding Discs - 100-Pack