Detail 3/16 to 1/4 ratchet wrench, 3/8 to 5/16 service wrench, suitable for air conditioning and refrigeration equipment repairHigh-quality steel material: this ratchet wrench is made of high-quality steel material, high gloss, stronger, corrosion-resistant and durable for a long time. Dimensions: air conditioning wrench square hole diameter: 3/16 inch 1/4 inch 5/16 inch and 3/8 inch, overall length: 132mm/5.2 inch. High-speed reversing lever for fast reversing. The sockets are clearly marked with hexagonal sizes. Practical Service Function: This HVAC service wrench is specially designed for installing or servicing heating, air conditioning or refrigeration equipment and freezers, commercial and residential air conditioners. Wide Application: This ratchet wrench is a great tool for hard-to-reach compressor access valves, dust covers on access valves, oil check plugs on compressors, compressor mounting screws, valve stem and service valves, old-style compressor valves, saving cubes and time. SpecificationColor: Black Material: Steel Square Hole Diameter: 3/16 inch, 1/4 inch; 5/16 inch and 3/8 inch. Package contents: 1 pc. Ratchet wrenchOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.