The CNC Digital Drive is the ultimate, professional grade floor pump which features large digital gauge. Its fully CNC machined aluminium construction and hardware are built to last a lifetime and replacement wear parts are readily available. Highly accurate, easy-to-read 3.5” (88.9mm) digital gauge. The CNC Digital Drive comes with an extra long, nylon-reinforced braided hose with aluminium couplers. At the end of the hose is the top-of-the-line ABS1 Pro floor pump chuck.