The front control panel is also very easy to use. A single button in the middle turns on and off the inflator whicle their is a – and + to the left and right. These minus and plus button lets the user easily adjust the target psi. The button on the bottom of the panel will put the machine in action once you set your target psi. Total Tools reserve the right to change or withdraw free delivery at any time. Estimated Delivery Timeframes Total Tools reserve the right to terminate or amend the price guarantee policy at any time without notice. For Further Information Special event, club or membership offers, third party promotions or prices not available to the general public Loading...