The Steel Digital Drive is a high performance bike pump featuring a rugged steel barrel and piston with machined aluminum base. Highly accurate, easy-to-read digital gauge. Extra long, nylon-reinforced braided hose with aluminum couplers. Painted finish with varnished wood handle. Equipped with chuck ABS1 Pro compatible with all valve types, which makes swapping between valves simpler and also incorporates a valve core removal tool.