The Large Basic Wet Belt Sander is a "build-your-own" style machine designed to save money while maintaining quailty. THis affordable unit is an excellent choice for those who already own a motor and are interested in creating their own sander. This sander uses 3" x 41-1/2" size belts. This unit ships complete with instructions and a product guarantee. *Please note that this model is sold without a motor, base, belt guard, v-belt, water valve, and spray nozzle.