The Proto Refrigeration Wrench features a full polish finish for superior corrosion resistance and easy-to-clean surfaces. Designed for servicing automotive, commercial, and residential air conditioners, refrigeration units, and freezers, this versatile wrench includes a reversing switch lever for quick changes in turning direction.
Hex openings handle packing gland fittings, mounting bolts, clutch bolts, tubing fittings, dust cap nuts, and oil check plugs, while square openings are ideal for male service valves, plug fittings, compressor valves, and refrigerant charging tanks — making it a true all-in-one refrigeration service tool.