Inflate your bellyboat, kayak, inflatable boat or sup-board with ease with this handy, heavy-duty hand pump. The pump is user-friendly and super effective, in addition, the pressure is easy to read on the pump to prevent you from pumping too much air. The switch on the pump allows you to choose between double pressure for high capacity or single high pressure. Unlike many other hand pumps, this pump also allows you to deflate something. The maximum pressure is 29PSI (2 Bar).