ThreeH HVAC Valve Core RemoverInstaller with Dual Size SAE 14 and 516 Brass Adapter Disconnect Valve to Prevent Refrigerant Leaking for R12 R22 R410A

Warning: Before removing the valve core, close the valve core wrench valve and disconnect the air conditioner internal connection. Feature: Has a ball valve that can be opened and closed in just a quarter-turn rather than a stem-type valve. Remove and install the valve core without the loss of refrigerant. Remove valve cores quickly and easily. High strength and hardness. Durable and solid. Work on service valves cores of both 1/4" and 5/16" ports. How to use: Step 1: Pull out the valve rod to the dead point,close the valve on the wrench,adjust the connector of the wrench to the air conditioning interface,and then tighten the air conditioning valive. Step 2: After the air conditioning valve is tightened,make sure that the disassembled valve is opened,push the valve rod into the air conditioning valve,rotate the tail knob of the product,find the valve clamping angle,and then loosen the valve core. Step 3: After feeling that the valve is removed,pull out the valve stem, close the valve on the product,loosen the disassembly knob, take out the valve core,and remove it. Package: 1 x 1/4" 5/16" SAE valve core remover