Premium Aluminum Oxide Material:Both sanding belts and sanding discs are made from open-coat aluminum oxide grain, ensuring exceptional durability, consistent performance, and quick material removal. They are built to last, resist tearing, and deliver smooth results. Wide Range of Applications:Ideal for sanding and polishing wood, metal, and non-metallic materials across industries such refinishing, automotive work, yacht maintenance, and rust or paint removal. Perfect for both flat and curved surfaces. Complete Sanding Set:Includes 10 pieces of 4 x 36-inch sanding belts (2 each of 80, 120, 150, 240, 400 grits) and 18 pieces of 6-inch PSA sanding discs (3 each of 80, 100, 120, 180, 240, 400 grits), covering a wide range of sanding and polishing needs. Self-Adhesive & Reinforced Design:PSA sanding discs feature a strong self-adhesive backing for easy attachment. The sanding belts are designed with a flat, reinforced German joint (not a lap joint), allowing for smooth bi-directional rotation and stable performance without jumps or bumps. Practical & Convenient Assortment:This 28-piece sanding kit provides a range of grits from coarse to fine, making it perfect for general polishing, rust removal, paint stripping, and smoothing surfaces. A must-have for DIY enthusiasts and professionals alike., Weight: 2.20462262 Pounds, Manufacturer: Ehwisbe