Full CNC-machined aluminium, up to 400 psi (27.5 bar), gauge, lightweight, ergonomic handle, excellent accuracy. That is what you need in a shock pump. Incredibly portable the CNC-machined aluminium gives a smooth and accurate finish. Speaking of accuracy, the diaphragm gauge gives accurate pressure readings for fine tuning. The zero-loss chuck design release the valve pin sealing the shock before the pump threads off. This minimalist and light weight shock pump will help you get your set up just right.