Sanding Disc Roll, Abrasive Type Coated, Vacuum Hole Design Non-Vacuum, Disc Diameter 5 In., Abrasive Grit 80, Abrasive Grade Medium, Abrasive Material Aluminum Oxide, Disc Backing Material Paper, Backing Weight C, Color Gold, Series 236U, Discs per Roll 50, Rolls/Case 250, Package Quantity 250 For industrial/occupational use only. Not for consumer sale or use. 3M Safety Data Sheet’s (SDS) are available on the 3M website at www.3M.com/sds