The Blackburn Piston 2 Floor Pump has a sturdy steel barrel, large gauge, and is built to last. Made with a bombproof steel barrel and base, the Piston 2 is built to last. Thats a good thing because of its extra-large 3" gauge and versatile AnyValve pump head; this is a pump you'll never get tired of using. Works great on Presta, Schrader and Dunlop valves. No leaking, no fuss, clean and simple.