Topeak Hybrid Rocket MT Mini Pump without Cartridge (Black, 8.1 x 1.8 x 1.3-Inch) Two-sided design features CO2 inflator and mini pump SmartHead ThreadLock works with Presta and Schrader valves Integrated dust caps keep heads clean 136-Gram/4.79-Ounce Kraton handle increases grip and comfort while pumping and while using CO2 inflator