Simple and Practical: The ratchet wrench with adapter has a simple design, portable and compact, easy to carry, and is suitable for repairing air conditioners. Stainless Steel: This air conditioning ratchet is made of stainless steel, which is hard, wear resistant, has smooth edges, does not , and can withstand high and low temperatures. Exquisite Workmanship: This refrigeration repair wrench set has exquisite workmanship, smooth and burr and simple structure. Multiple Sizes: This refrigeration service wrench is available in 3/8in, 1/4in and 5/16in sizes to meet most of your needs and is very practical. Theseadjustable wrenches can be used on all types of bolts, nuts or pipe and good at gripping, holding, twisting for plumbers,construction workers, mechanics and DIY, Manufacturer: JVNALwnkv