Yo, HVAC folks or DIYers working on AC systems! This Relaxweex Refrigeration Pressure Gauge Kit is a neat tool for measuring refrigerant pressures. It handles common refrigerants like R-134a, R-404a, R-22, and R-410a, with clear color-coded zones on the dial – blue for R134A, orange for R404A, green for R22, and pink for R410A. The gauge has a range from -30 inHg to 800 psi, with a dampened movement to reduce vibration. It's pretty accurate too, at +/-1.6%, and the pointer is micro-adjustable. Made with a steel case (blue and red options), a snap polycarbonate window, and brass internals, it's built to last. The connection is 1/8\ NPT lower mount, and the dial face is 80mm (about 3-1/8\) – easy to read. Comes with two gauges in the pack. Just a heads-up: NPT thread size is nominal, so actual diameter might vary slightly. Perfect for AC maintenance, repairs, or diagnostics.