Poolmaster 27250 Commercial Heavy-Duty Flexible Vacuum - Commercial Collection For removing debris from gunite pools with hard-surface finish Durable extra-wide flexible body with 6 covered weights and chrome-plated swivel handle 12 mar-proof deluxe Nylon wheels with ball-bearing action and stainless steel axles DO NOT use on vinyl liner pools 19" Wide For use with vacuum hose and standard pool pole - sold separately