This coarse-grit silicon carbide stripping disc is designed for fast, efficient removal of paint, rust, and other coatings from ferrous metals, including steel, iron, and stainless steel. Its durable abrasive supports long service life, while the open-web construction helps resist clogging and loading. The 4-1/2-inch disc features a 5/8-11 arbor bore and a T-27 profile.