Professional tool for commercial or occasional use. Silicon and carbide discs made from polyurethane impregnated with silicone carbide, ensuring minimal damage to the underlying surface. Stiff construction for longer shelf life and optimum performance in heavier duty applications. Designed to remove paint, rust, weld seams, and other materials from metal surfaces, as well as wood and fibreglass. Suitable for removing old paint, varnishes, glazes, rust, oxidisation, corrosion, and welding spatter. Each disc has a 100mm diameter and a 6mm shank, compatible with most drill chucks (electric/battery or air). Maximum speed of 8,000 RPM. This listing is for a pack of 4 discs.