This SUP(Stand Up Paddle) Pump’s special design allows for low effort and quick inflation. Made with a reliable and strong aluminum shaft. The SUP Pump comes equipped with hose, recessed one-way valve adapter and a conveniently located, easy visible, in-line pressure gauge and the option of selecting between single action (down stroke only) and double action (both up and down strokes) inflation. SUP Pump capable of inflating to 29 PSI. Use double action for high volume and lower pressures and single action during increasing resistance cause by higher pressures. Includes 2nd hose with Boston Valve and Pipe Valve attachments.