The CNC Floor Drive is a professional-grade floor pump featuring full CNC-machined aluminum construction and hardware. Designed and built to offer a lifetime of service the pump features fully rebuildable internals and an extremely accurate 3.5-inch precision gauge tested and calibrated in-house for superior accuracy.Extra-long nylon-reinforced hose with aluminum couplers is terminated the ABS-1 Pro chuckPressures up to 220 psiEasy to read 3.5" gauge