Sharkee Sander 3" X 21" Belt Hand Sander For Metal, Wood, Plaster, Fiberglass, and Wet Sanding, etc using optional color-coded "Shark Skins" Force to Sander's Ergonomic sloped body design adds power to work surface reducing hand fatigue. Multi-surfaced design lets you sand straight, angled, curved surfaces, and tight corners/edges. Includes one 80 Grit 3" x 21" cloth-backed belt which lasts much longer than regular sandpaper. Patented quick-release lever allows for the fastest and easiest belt removal or advancement.