Gator 1/2" x 1/2" Drum Sander Kit with Rubber Mandrel and 1/8" Arbor One 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. The resin-bonded construction resists heat and humidity for longer life, and the premium P-grade aluminum oxide grain offers a consistent scratch pattern and creates a finer finish. The drums are made of heavy X-weight cloth for maximum strength, and the aluminum oxide durable grains are recommended by professionals for sanding a wide variety of surfaces.