Designed for use in plumbing and other industrial applications, this durable abrasive product is made of Black, Waterproof, Silicon Carbide bonded to a flexible polyester screen. The open mesh resists clogging and offers the wash and re-use versatility of sandscreen in a handy 1-1/2" x 10 yard roll in 120 grit. Perfect for finishing copper pipe, ferrous, non-ferrous pipe and tubing jobs.