Ali Industries 7012 3" x 21" Red Resin Aluminum Oxide Sanding Belts, 50 Grit When it comes to sanding very rough surfaces, or rough flatting of boards nothing beats the power of a sanding belt. The high quality aluminum oxide grain couple with the strong durable cloth backing, makes our belts the perfect tool for removing serious amounts of wood. These sanding belts are perfect for heavy duty sanding and rapid removal of material from wood, metal, fiberglass and painted surfaces. You can also use finer grits for rough sharpening of tools like axes, shovels, knives, and chisels. Features Coarse grit sanding belts are best for heavy sanding and stripping of material, rapid wood removal during dimensioning, flattening and shaping, as well as leveling depressions The bi-directional flush joint allows the sanding belt to run smoothly in both directions Red resin aluminum oxide grain sands runs cooler and is designed for high speed sanding Heat resistant, reinforced tape joint for maximum seam durability Aluminum oxide is tough and durable, and is recommended by professionals for sanding a wide variety of materials including wood, metal, fiberglass, and painted surfaces USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.