HARFINGTON 5pcs 1/4" Service Wrench Hex Key Adapter 3/16" 5/16" Square Hexagon Ratchet Wrench Bit Adapters HVAC Valve Opener for Air Conditioning Refrigeration Equipment Repair

The hexagonal wrench adapter is made of carbon steel material, which has high strength and wear resistance, and will not be easily deformed after long-term use. The surface is blackened to ensure its durability and corrosion resistance, and extend its service life.The adapter is easy to install and can be used with the air conditioner ratchet wrench, no additional tools are required, saving time and effort. In addition, the chamfered edge and spring-loaded retaining ball will ensure a tight and secure fit, allowing you to save valuable time and perform repair tasks with easeHexagonal drill bit adapter kit can be used with ratchet wrench to open and close compressor service valves, rotary lock valves and shut-off valves on air conditioning, refrigeration and other equipment. It can also be used in automobile maintenance, various machinery maintenance, industry, metallurgy and other industriesPlease choose a double-ended wrench that matches the size of the hex adapter to avoid damage or slipping; when applying torque, please make sure the adapter and wrench are fully installed, and confirm that the size of the bolt or nut is 3/16" and 5/16" for better force transmission and operation

• Size - Square Dia: 1/4"; Hex Dia: 4.7mm / 3/16"; Hex OD: 8mm / 5/16"; Maximum OD: 10mm / 0.39". Package Includes: 5 x Service Wrench Hex Key Adapter. This hex drill bit adapter is suitable for 3/16" and 5/16" hex HVAC valve openers
• Material - The hexagonal wrench adapter is made of carbon steel material, which has high strength and wear resistance, and will not be easily deformed after long-term use. The surface is blackened to ensure its durability and corrosion resistance, and extend its service life.
• Features - The adapter is easy to install and can be used with the air conditioner ratchet wrench, no additional tools are required, saving time and effort. In addition, the chamfered edge and spring-loaded retaining ball will ensure a tight and secure fit, allowing you to save valuable time and perform repair tasks with ease
• Application - Hexagonal drill bit adapter kit can be used with ratchet wrench to open and close compressor service valves, rotary lock valves and shut-off valves on air conditioning, refrigeration and other equipment. It can also be used in automobile maintenance, various machinery maintenance, industry, metallurgy and other industries
• Note - Please choose a double-ended wrench that matches the size of the hex adapter to avoid damage or slipping; when applying torque, please make sure the adapter and wrench are fully installed, and confirm that the size of the bolt or nut is 3/16" and 5/16" for better force transmission and operation