This 12" Air Hammer Inflation Pump will inflate and deflate quickly and hassle free. All it takes is a few up and down strokes to inflate or deflate with an air volume of 2 x 2000 cc. Easily switch between inflation and deflation. Comes with a flexible hose and 3 valve adaptor to fit nearly every inflation valve. Heavy duty construction that will last and last. Suitable for a variety of applications, including use with Bestway inflatable products!