3M Clean & Strip Disc Paint/Rust Stripping Disc 4.1/2" Plastic Base 7/16" Thread

4.5 inch scouring pad, 3M hard plastic backing, rust-removing pad, paint/rust-removing pad, plastic disc, no holes, threads (female) 7/16, thick nylon fiber structure, coated with special coarse sand grains, used for removing paint and residual chemicals, faster and safer than wire brushes due to the problem of wire brush fragments splashing out, cleaning metal surfaces, welds, quickly and without damaging welds, metal texture is not worn much, does not cause the workpiece to deform, popularly used with air polishers, high speed 12000 rpm.