3M drywall sanding screens are designed for sanding drywall joints patching compounds and plaster. The abrasive is waterproof with a sharp synthetic material that cuts fast. This versatile product can also be used on wood, metal, plastic and painted surfaces. Features: Ideal for moderate sanding and smoothing of joint compounds Available in a range of grits for effective drywall sanding Cuts Fast Mesh screen resists tearing Resists clogging for longer life Waterproof screen can be used wet or dry Intended for sanding drywall, plaster and spackling compounds Can be used for sanding wood, metal, plastic and painted surfaces Pre-cut sheet screen will fit most drywall sanding tools 120 grits Mineral color will not discolor the sanding surface Recommended for use with 3M personal safety products Package contents: 10 screens Size: 4-3/16 in. x 11-1/4 in.