COMPACT MANIFOLD WITH FRONT MOUNTED HOSE HOLDERS ALLOWS FOR PRECISE CALCULATIONS IN THE PALM OF YOUR HAND Mastercool’s Black Series Compact 2-Way Digital Manifold Gauge Set effortlessly performs pressure and temperature calculations and displays them on a large blue backlit LCD display. Constructed of the finest materials and machined with precision to the highest quality standards this compact manifold provides automatic shut-off, units conversion, over range alarm, max and min values and refrigerants selection providing for a powerful tool for the hard-working technician. 82172: Compact Manifold with 3-72” (182 cm) hoses and R1234yf manual couplers (83834, 83934) packaged in a zippered carry case