Product details:

Each model includes all hardware for self-siphoning with 20 ft. of water hose. Brass weight drops into bucket for ease of use. Lightweight, only 1.5 lbs! Palm-style, ergonomic design features low profile grip for greater operator comfort and control. Up to 3/16" diameter orbital action, with adjustable speed control. 5" and 6" diameter pads are interchangeable. Fast, smooth and uniform surface preparation; reduces labor time. Our unique water feed through-the-pad design allows use of standard round wet paper with holes. No special sand paper or hole punch needed! Fingertip control valve allows for precise water flow.