Quantity: one piece Weight: 100g Opening diameters: 3/16inch, 1/4inch, 5/16inch and 3/8inch. Total length: 140 mm. Material: Main chrome vanadium steel + plastic border / borderless For installation or maintenance of heating, air conditioning or refrigeration units. One spanner Easy to use jog wheel that saves your joints and time. Features: The smart adjustable wrench saves you time. Ability to handle extra capacity, easy to change size quickly and easily. Our offset service keys allow operation in tight spaces. The reversible ratchet has square openings of 0.6 cm and 0.9 cm on one end and 0.9 cm and 0.9 cm on the other end. For the installation or maintenance of heating, air conditioning or refrigeration units. Application: Compressor access valves difficult to access. Access the dust cap on the valve. Compressor oil check plug. Compressor mounting bolts. Stem and service valve. Old Compressor Valve. Package: 1 x 4 size ratchet for refrigeration valve.