The Blackburn AirTower 4 Bicycle Floor Pump is constructed with an aluminum barrel that is both lightweight and durable. This bicycle floor pump features an oversized base and a contoured T-handle that make it is easy and comfortable to use, as well as a new Presta/Schrader double-barrel head for added convenience. Blackburn's AirTower 4 achieves a maximum pressure of 160psi, weighs 4.1 pounds, and comes with a limited lifetime warranty.