Norton 07660768326 High Performance Hook and Sand Paper Disc, 5"The Norton Sand Paper discs can be used on any random orbit sander due to the patented universal vacuum hole pattern. It is last longer due to the unique resin bonding system. Highlights: Size: 5" Grit: P120 Universal vac hole pattern High effeciency delivery Non pigmented, waterbased zinc stearate (anti clog), open coat for reduced loading and no finish contamination Hook and loop backing for quick and easy disc change, allows repeated use until disc