Emery self-adhesive used to work with angle grinders. Used in body putty, paint, clay, plastic, wood or non-ferrous metals. Circles with grain size from 36 to 40 used for pre-grinding of the surface, 60 to 80 for finish grinding. Their productivity is 3 times more compared with circles on the paper-based materials used Class C: Class E base paper, density of 220 g / sq.m .; grinding grain alumina; connector phenolic resin; material suede clutch; nasypka.Sfera semi-outdoor applications: wood, paint, metal. Features Improved performance, wide range of applications, self-adhesive, for finish grinding.