LEZYNE MACRO FLOOR DRIVEOffering fast and efficient inflation at an outstanding value, the Macro Floor Drive combines a sleek Composite Matrix base and handle with a durable steel barrel and piston to ensure years of steadfast performance. An extra long hose allows for easy fill ups, regardless of whether your bike is on the ground, on your rack, or in your stand. Equipped with the Dual Valve Chuck head. 2. 5" 220PSI GAUGE, STEEL BARREL, STEEL PISTON, COMPOSITE MATRIX