Inflate Floor Pump With Pressure Gauge. -Piston measurement: " 32 x 500 mm. -The pump head is designed to be able to use Presta and Schrader valves without the need for additional adapters, both valves are in the same head. -Head with anti-leak plunger, introduces all the air in each pump and prevents air leaks. -It has 3 additional adapters. -T-shaped handle with ergonomic grips for a better grip. -Supportive footrest provides superior stability as it increases the support surface. -Article known as a bike pump, bike inflator pump, Presta bike pump, Schrader bike pump, bicycle inflator pump, floor inflator pump, foot inflator pump, bicycle pump.