Professional Refrigeration Tool Set - CT122 Series Square Wrench + Screw Conversion Adapter Combination �� Product Highlights ✅ Precision Square Wrench Set - Contains 2 CT122 Series Square Wrenches, covering specifications of 1/4", 3/16", 5/16", 3/8", to meet the common bolt disassembly and assembly needs of refrigeration equipment ✅ Patented Conversion Adapter - 2-piece CT-122E screw converter, which can quickly convert the ratchet wrench to a square wrench to improve work efficiency ✅ Industrial-grade material - S2 alloy steel forging, hardness up to HRC60, torsion and crack resistance, durable ✅ Ergonomic design - non-slip handle, comfortable grip, easier operation in small spaces ✅ Professional Refrigeration Maintenance - Designed for maintenance of refrigeration equipment such as air conditioners and cold storage, to solve the problem of special bolt disassembly and assembly ��️ Core Components CT122 Square Wrench × 2 (1/4"+3/16" / 5/16"+3/8" double-head design) CT-122E conversion adapter × 2 (1/4 to 3/8 / 5/16 to 3/8) Portable storage box × 1 ❄️ Typical application scenarios Air conditioning system refrigerant valve repair Refrigeration compressor bolt disassembly and assembly Cold storage equipment maintenance Refrigerator/freezer pipeline inspection Industrial chiller maintenance