The Topeak Pocket Rocket Mini Pump has a soft dual density polymer head and polymer handle for increased grip and comfort while pumping. Efficient design easily pumps to 160 psi.Topeak Pocket Rocket Mini Pump FeaturesHead: Presta / Schrader / Dunlop valves with aluminum thumb lock & integrated dust capBarrel: Butted aluminumThumb Lock: AluminumHandle: PolymerCapacity: 160 psi / 11 barAdded Features: Dual-density polymer head, Side mount bracket (Art No. TPMB-2C-1)Size: 22.2 x 4.2 x 2.5 cm 8.7” x 1.7” x 1.0”Weight: 109 g / 3.84 ozVolume Per Stroke: 31 cc