3M(TM) Stikit(TM) Paper Disc Roll 735U, 5 in x NH Die# 500X P100 C weight, 100 discs per roll 4 rolls per case A Cubitron(TM) abrasive grain Stikit(TM) disc roll constructed on a C weight, intermediate paper backing. Features an anti-loading stearate coating. Grade: P100. Primary markets: metalworking, woodworking.