Quality bike pump: the pump is made of premium one-piece aluminum case, high Pressure forming make it sturdy and durable, good for long time using. Portable &high presure: maximum fast inflatable, Very handy pump capacity can quickly inflate bike Tires during Emergency repairs or simply to maintain tire pressure over the course of a season. Ergonomic handgrip design: Egromically designed comfortable handle for energy and time saving, and inflate the bike tire or sports ball fast. Universal: compatible for presta and shrader valve, and also suitable for football, basketball, motorcycles, electric cars, balls, rubber boats etc.