"The Pocket Drive is an amazingly compact and lightweight bicycle hand pump with plenty of pumping power. It is made from durable CNC machined aluminium and has a handle that is slightly knurled for non-slip operation. With its overlapping handle and integrated ABS flex hose, the Pocket Drive offers performance unmatched for its size. The pump is compatible with Presta and Schrader valves and can be fully converted for further use at a high level. Lezyne Mini Pump Pocket Drive Pro - Maximum Pressure: 180PSI / 11BAR - Material: CNC Aluminium - ABS Flex Hose Presta / Schrader Valve Attachment