AUTOMETER ULTRA-LITE MECHANICAL BOOST GAUGE -- 2-5/8 in.; 0 to 60 psi; Includes 10 ft. nylon tubing, 1/8 in., and 1/4 in. NPT fittings; Features a red pointer for quick glance monitoring; Offers rugged, reliable performance; Safeguards against dangerous conditions; Provides precision movement and extreme accuracy; Recommends gauge mounting cup, gauge panel, mounting angle ring, and tachometer bracket.