The TIRE MATE is a CO2 inflator & manual hand pump all-in-one. The TIRE MATE provides convenient inflation getting you back on the road quickly. Easily regulate flow of CO2 air with a turn of the control knob and top off your tire pressure with the dual-action hand pump. So small it can fit in our tiniest bags at Only 11.7cm (4.6 inches) long. Features a high-strength magnet to keep pump shaft closed when stored. Built out of high strength, CNC precision machined anodized alloy for long-lasting reliability. Compatible with both presta and schrader valves. Weighs 64.5g