Barrel and piston made from steel, base made from aluminum, connectors made from composite matrix, and handle made from varnished wood Equipped with: ABS (Air Bleed System) Flip-Thread Chuck (Presta/Schrader) and Speed Chuck 1.5'' gauge Steel barrel is painted Size: 508mm (H) x 190mm (W) x 60mm (D) Weight: 840g Gauge Type Standard Pump Max PSI 160psi Valve Presta Pump Head Flip-Thread Air Release Yes Pump Barrel Material Steel Pump Base Material Aluminum