Usage Tips: 15 x 75 x 533mm belt sander sanding belts, 3 pieces each of 80, 120, 150, 240, and 400 grit. Resin bond reinforced abrasive belts with open coat aluminum oxide provide extended performance life. Compatible with various 75mm x 533mm belt sanders, including models from TACKLIFE, Jellas, Makita, Bosch, and other major brands. Ideal for sanding and polishing wood, metal, aluminum, non-ferrous metals, plastic, and fiberglass. Effective for paint, rust, and surface material removal. Commonly used in metalworking, machinery, woodworking, construction, leather processing, textiles, and home DIY projects. Sanding belts feature aluminum oxide grain on a durable polyester-cotton fabric backing for enhanced durability and consistent performance. Specifications: Grit options: 80, 120, 150, 240, 400 Abrasive material: Aluminum Oxide Backing material: Polyester-cotton fabric Joint type: Flat splice Size: 3 inches x 21 inches (75 x 533mm) Package quantity: 15 pieces (3 pieces per grit level) Includes: 3 pcs 80 grit, 3 pcs 120 grit, 3 pcs 150 grit, 3 pcs 240 grit, 3 pcs 400 grit Five different grades from coarse to fine for general sanding and finishing needs.