Features:There are 2 types, 2 wrenches/ 2 wrenches with bit adapters, choosing according to your needs.Made of high quality metal, strong, durable and corrosion resistant. the hex bit adapter is heat-treated black coating.1/4", 3/8", 3/16", 5/16", these sizes are the most commonly used sizes when repairing the air conditonning and refrigeration equipment.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. Package Includes:2X Hvac Service WrenchOr2X Hvac Service Wrench with 2 adpaters Specifications:Material: Metal 3/8" to 1/4" length: 14cm/5.5in5/16'' x 1/4'' length: 11.8cm/4.65in Adapter length: 5.08cm/2-inch note:Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.