Designed for optimal performance, the 6" PSA disc rolls from United Abrasives feature premium stearated aluminum oxide, making them an excellent choice for finishing a variety of surfaces including wood, metal, and primed materials. With a grit rating of 100, these discs provide a perfect balance between aggressive material removal and a smooth finish, ideal for use with disc sanders. Each box contains 400 discs, organized in four convenient rolls, ensuring you have a steady supply for your projects. Manufactured in Italy, these sanding discs are engineered to meet the demands of both professional and DIY applications, delivering consistent results on body fillers, paints, and fiberglass.