100 PSI Foot-Powered Air Pump with Pressure Gauge Convert 'leg power' to high-pressure compressed air for bike tires, sports balls, water toys Simple to use valve-stem lock, built-in 100 PSI gauge, Presta valve, needle & inflatable adapters Heavy-gauge steel frame with corrosion resistant finish, galvanized steel piston rod 18" flex hose for easy reach, high-volume compression piston with spring-return Folds down, latches for compact storage - about the size of 16 oz soda bottle; 1.5 lbs