Perfect for metal and woodworking, this aluminum oxide 120 grit sheet is constructed on a C weight, intermediate paper backing. It's resin bonded for heat resistance.Grade: P120 gritDimensions: 9" x 11"Backing: C weight paperColor: BrownAbrasive mineral: aluminum oxideStanding method: hand, machineApplication: dry sandingSanding surface: clear coat, fiberglass filler, metal, paint, plastic, putty*Price is per sheet.