DA Velcro 150mm 6" Orbital Sanding discs from Indasa, with velcro backing. These orbitral sanding discs are a dry sanding abrasive, trusted by car repair specialist to consistently produce a high quality finish prior to priming and overpainting. Typically they are used in association with either an electric or air orbital sander. Dual Action Velcro Sanding Discs are available in a wide variety of grits: P600, P800, P1000, P1200, P1500, P2000 and come in a Box of 50.