Wet Belt Sander - Glass Craft Applications High Speed DC Motor for fast grinding. Direct drive - no belts or pulleys, Three Belts included, 80, 120, 400 Grit. Recommended for Glass Craft Applications. Ruggedly constructed of high-impact plastic, aluminum and stainless steel. Simple construction with few moving parts, 90 Square inches of grinding surface. Convenient water reservoir under the lower wheel uses a standard kitchen sponge to keep the belt wet.