Gator 3-Pack 3/4x1-Inch Medium Resin Cloth Sleeve for sanding and grinding irregular shapes, contours, and hard-to-reach areas. These premium double resin bonded aluminum oxide sanding drums are ideal for use on wood, metal, fiberglass, and painted surfaces. They are great for sanding and grinding irregular shapes, contours, and hard-to-reach areas. The resin-bonded construction resists heat and humidity for longer life, while the premium P-grade aluminum oxide grain offers a consistent scratch pattern and creates a finer finish. Made of heavy X-weight cloth for maximum strength, these sanding drums feature.