Description: It can be used to inflate tires, pneumatic front forks and pneumatic shock absorbers, universal for Presta Schrader Valve, high pressure up to 300PSI With a pressure relief button, you can easily control the pressure value. Smooth operation, labor saving, high pumping efficiency, strong air tightness Comes with a pressure gauge, a large dial with a diameter of 38mm, real-time data is clear at a glance, the inflation tube can be rotated 360° Aluminum alloy barrel, highly flexible trachea; extremely portable, weighing only 166.8g, it is a must-have item for you to go out and ride It can be used for wheelchairs, bicycles, valve inflators, electric tires, etc. Specification: Material: Aluminum alloy Size(L): Approx. 33cm/12.99inch Scalable length 6.4-25.3cm/2.52-9.96inch Package Includes: 1 Piece High Pressure Shock Pump 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!