<p>You will receive: 28-piece set, 10 pieces of 100x915 sanding belt (2 each of grit 60/80/120/240/320), 18 pieces of 150mm round self-adhesive sandpaper (3 each of grit 80/100/120/180/240/400)</p> <p>The sanding belt and sandpaper are made of durable, open-coat aluminum oxide grain and are fully resin-bonded, high-quality craftsmanship, ensuring a uniform grit size and enabling fast and long-lasting sanding</p> <p>Self-adhesive sandpaper is glued directly to the disc for easy replacement and use; Sanding belts with precision-engineered bidirectional joint; the diagonal connection eliminates splices; the belt sanding interface is flat, strong, and not easily broken under pressure. Suitable for belt and disc sanders, 100 mm x 915 mm (4 x 36 in) for fast and precise sanding of wood, paint, varnish, plastic, plaster, and metal surfaces. These sanding belts are suitable for both professional and DIY use. The combination of grit sizes from coarse to fine (P40-P400) can meet all your polishing needs.