The Azur Velocity Shock Pump is a value packed shock pump built with a tough alloy barrel that can go up to a max of 300 psi. It is designed with a precise adjust button with 2-3 psi air pressure control per push and a CNC metal Schrader connecting valve head for recessed valves. The swivel hose makes pumping much easier and the non-scratch sealed rubber system on pump head is a nice finishing touch.