The ultimate portable shock pump.Lightweight, shop quality shock pump. Full CNC-machined aluminum construction. Ergonomic handle enhances pumping comfort. Diaphragm gauge offers excellent accuracy; max. 400 psi (27.5 bar). Tough composite matrix case houses gauge and improves grip. Zero-loss chuck design unthreads from the shock after valve pin seals.MAX: 400psi 27.5bar