[Easy To Use] The valve core remover is very easy to use, the valve core grab tool can be easily inserted inside and control the valve core, and the valve stem has strong suction, which can hold the valve firmly and help you replace the valve core easily. [High & Low Voltage Quick Connector] Our AC valve core removal tool kit provides two quick connectors the high-pressure connector with a 16mm bottom ID and the low-pressure connector (blue) with a 13mm bottom ID. The ball valve on the side can be opened and closed by a quarter turn. This prevents refrigerant leakage in the air conditioning system when replacing the valve core. [High Quality Material] This valve core removal tool is mainly made of high-quality brass, which is strong and impact-. The valve stem is made of stainless steel the red and blue knobs are made of aluminum. The external anti-skid texture design is easy to hold and use and prevents the problem of excessive force on various valves. [Wide Applications] The valve core quick remover installer tool can be adjusted according to different valve cores to suit various types of valve cores,valve core tool is suitable for maintenance and repair of automotive refrigeration and air conditioning, HVAC. [What You Get] The AC valve core kit contains 2pcs R134A valve core quick removal tools (high pressure/low pressure) 10pcs R134a valve core, 10pcs 5V1 valve core, 8pcs AC service port caps, and 1pcs double-ended valve stem removal tool., Manufacturer: PokFhgur