Description: High strength aluminum alloy outer and inner tube, no deformation. Firm, stable and long service life. Mini portable design, easy to carry when you go out. The pedal steel ring is metal material, stored design, help stabilize the pump. Non-slip pedals, a good slip resistance by serrated surface texture when pumping. High-quality freezing and heat resistant sealing rings and flexible tubes make it can be used normally in winter and summer. Comes with Pressure Gauge, which can ccurately display tire pressure to ensure that the tire pressure is just right. Locking buckle design, not fall off and leak when inflated. Used for bicycles, motorcycles, electric cars, balloons, swimming rings, etc. Specification: Material: Aluminum Alloy Size: 17.6x13.2x7cm/7x5.2x2.76 inch Package Includes: 1 Piece Bicycle Foot Pump