Blackburn Core Pro Floor PumpThe Blackburn Core Pro Floor Pump stands tall at 29 inches high and has the Airtap Core Pump Head which is compatible with Presta, Schrader, and Dunlop Valves easily. This pump is constructed with 6061 alloy to look sleek with an oversized inner diameter for increased efficiency with each pump. The enormous base mounted gauge measures 3 inches to easily see your PSI. There is a bleed valve for extra precision. The hose is an insane 51 inches long for any setup and wheel size.768686346484