DA Velcro 150mm 6" Orbital Sanding Gold Discs from Mirka, with velcro backing in a 150mm size these discs have 6 holes for air extraction. Gold is a durable product very well suited for sanding at high speeds. Mirka 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. Coarser grits recommended for sanding of putty or removing lacquer P80, P120, P180, P240, P320, P400, P500 and they are supplied in a Box of 100.  Finer grits are suitable for dry sanding of surfaces with primer and lacquer.  Supplied in a box of 100.