300 psi digital shock pressure gauge easily reads to .5 psi Get your shock pressures just right with this easy-to-use tool. Just connect the the special shock inflator chuck and fill and bleed to the perfect pressure. Chuck is designed to allow you to remove from the shock without losing any pressure. EXCLUSIVE: Controlled flow inlet and bleed valves makes precision shock settings much easier. Special chuck prevents pressure loss and inaccurate settings. Extra long hose makes filling shocks on car a snap. Fill and bleed quickly & accurately. Digital readout to 300 psi max - easier to read - includes rubber bumper. Accuracy: 1.5 psi / .5% Connect directly to nitrogen line - no air contamination. Silver carrying case included.