MASTERS Heavy Duty Grit Cloth is a premium-grade, open mesh screen cloth designed for cleaning and polishing copper pipe, tubing, and fittings. Made from 100% waterproof material, it features high tensile strength to resist tearing, ensuring durability during use. The 180-grit open mesh allows debris to fall through the screen, preventing buildup on surfaces for a smoother, cleaner finish. Perfect for tough cleaning jobs, this cloth is an essential tool for metalworking and plumbing applications.