Valve core removal tool: adjustable joint for cold gas. Air conditioning extractor removal tool: no need to release the refrigerant core changer for replacement. Valve Core Puller: The core puller is adjustable to fit different cores. Air Conditioning Valve Extensions: High side coupler closed, refrigerant will not leak. p> Air Conditioning Compressor Tool: It is delicate, durable and strictly functional. Package List: 1 x Core Removal Tool features - red - size: 11.39 x 4 x 4 cm installation core. - material: metal. - There is no need to release the refrigerant core changer for the replacement R134a core removal tool. - The core puller is adjustable to fit the different core extractors. - it is a delicate, durable and strictly functional low pressure tool. - adjustable cold gas seal. - side coupler top closed, the refrigerant will not leak. Lever of this tool is closed, and there is no need to pour new refrigerant into the air conditioner. Core installer The broken core can be removed through the use of this tool. Air conditioning valve extensions, this tool is a good replacement for the old core in the R134a connector of the car air conditioner.