* SwitchHitter head works on Schrader or Presta valves with no disassembly.
* Gauge body rotates for easy viewing.
* Durable plastic barrel with aluminum shaft to reduce flex and improve efficiency.
* Plunger locks to body chamber with a simple twist for secure storage.
* Water bottle boss mount included.
* Max pressure: 120 PSI (8.3bar).
* Volume per stroke: 48.4cc.