The Mirka 23615180 is a Box of 50 5-Inch 8-Hole 180-Grit Dustless Hook & Loop Sanding Discs. 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: * Well suited for sanding at high speeds * 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 23615180 5-Inch 8-Hole 180-Grit Hook and Loop Sanding Disc - 50-Pack