5 Pack 4" x 5/8" Disc Stripping Wheel Angle Grinder to Polish Paint, Rust, Scaling and Oxidation Product Features This strip discs is made with premium silicone carbide grains that perfect for cleaning, peeling and surface treatment. Purple clean and strip discs has a longer life than black / blue clean and strip discs. Suitable for removal of paint or rust off metal or stone and use on wooden surfaces. The Best Grinding Tool Grinding wheel durable, less peeling, grinding sound low. The stripper wheel with a strong backing absorbs vibration and provides lasting, uniform grinding results and improved cutting speeds. Durable Materials Silicone carbide grains materials are characterized by high toughness, fine grain size and not easily worn. Widely Used in Grinding Quick stripper trays quickly and effectively remove rust, dirt, paint, welding spatter, scaling, oxidation, and other surface contaminants. Product Features Not easily worn, uniform grinding effect. Durable for use. Very fast polish of paint or rust without damaging the original surface. Not easy to clump, fast peeling speed, suitable for all coatings and surfaces. For use with most makes of 4 inch angle grinders. Used for surface preparation, conditioning and finishing. Product Information: Diameter: 4 inch (100mm) Bore size: 5/8 inch (16mm) Abrasive Grit: 45 Color: purple Maximum Rotational Speed: 15300 RPM