Use the 41600 for almost every job, instead of carrying several manifolds with 1/4" Flare fittings. Gauges show R-22 and R-134a temperature scales. The flexible holster provides protection against the bumps and knocks of everyday use. Pressure Temperature Chart stores in a slot on the back, giving multiple refrigerant capability. Face Seal Valves provide a tight seal, less wear, and improved flow. Comes with manifold bar, protective holster, 2-1/2" gauges, color-coded hand wheels, and hanging hook. No hoses.