Mirka Gold is 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. These 225mm Discs P120 27H are suitable for Dry Lining to be used on the Miro 955 Dry Wall Sander. There are 25 discs per box. Replacement backing pads are available at Abrasives Online.