Blackburn: AT NEARLY 28 INCHES TALL, THE CORE 3 STILL TOWERS OVER MOST FLOOR PUMPS. THE 48 INCH LONG HOSE IS LONG ENOUGH TO GET AIR PRESSURE TO ANYWHERE YOU COULD NEED IT. LIKE THE PRO, THE CORE 3 FEATURES OUR AIRTAP HEAD THAT FITS SCHRADER/PRESTA/DUNLOP VALVES AND HAS A PRESSURE BLEED BUTTON BUILT IN. WE ALSO INTEGRATED THE EASY TO READ, 3 INCH GAUGE INTO THE MASSIVE STEEL BASE OF THE CORE 3 TO HELP IT HAVE A ROCK SOLID STANCE.AirTap™ - Our AirTap reversable pump head works with Schrader, Presta or Dunlop valves and features an integrated air bleed button right at the valve for perfect pressure, every timeMATERIALS - Steel barrel, plastic handle, steel basePUMP HEAD - Dedicated grommets for each valve type ensure a secure clamping force and air tight sealAviation Gauge – Large, 3 inch wide base-mounted gauge lets you easily read your tire pressure, and adds to the foot print of the Core pump’s solid stanceAir Bleed button on the pump head to micro adjust pressurePUMPING ACTION - Large diameter inner shaft produces smooth, efficient pumping48 hose easily reaches your bike stand160 PSI / 11 BAR27.75 HEIGHT