Description: Hvac repair wrench, refrigeration repair wrench set, 3/8” to 1/4”, 5/16”x 1/4” ratchet repair wrench, with hexagon head adapter, used for air conditioning, refrigeration equipment, equipment repair. It is a necessary tool for equipment installation, equipment maintenance, and maintenance centers. Refrigeration maintenance wrench set are made of stainless steel, strong, durable and corrosion resistant. The hex bit adapter is heat-treated black coating. 4 Different Sizes of Refrigeration Service Wrench Set: 1/4", 3/8", 3/16", 5/16", these sizes are the most commonly used sizes when repairing the air conditioning and refrigeration equipment. Hex Bit Adapter: 2 inch long, size: 3/16'' and 5/16''. This a/v service wrench set is compact in size, with clearly marked sockets for four nut sizes. Flat anti-skidding refrigeration wrench, allowing maximum leverage, suitable for daily work and household maintenance. Specification: Condition: 100% Brand New & High Quality Type: Refrigeration Maintenance Wrench Set Hex Bit Adapter: Heat-Treated and Black Coating Wrench Length: 5.31 inch / 4.33 inch Wrench Size 1: 1/4 inch and 5/16 inch Wrench Size 2: 3/16 inch and 5/16 inch, 1/4 inch and 3/8 inch Hex Adapter Length: 2.05 inch Hex Bit Adapter Size: 3/16'' and 5/16'' Package Included: 2 x Refrigeration Maintenance Wrench 2 x Hex Adapter (As Picture Shown) Note: Due to manual measurement, there may be 1-3cm deviation exist. Thanks for your understanding. Due to the difference between different monitors, the picture may not reflect the actual color of the item.