Pneumatic Air Toggle Switches for Air Lockers Power TankIf you're like most offroad competitors, you'd rather have the simplicity and reliability of a total pneumatic air locker system. These are exactly what you're looking for. These air toggles include push in compression fittings made to fit the ARB air line so hook up is a breeze. Note: ARB has recently switched from a 5 mm. line to a 6 mm. line. Please check to see which hose your ARB kit was supplied with to ensure a proper fit with the Power Tank