[R12 to R134a Conversion Kit] R12 to R134a auto conversion kit comes with 1pc r12 to r134a high pressure adapter, 1pc r12 to r134a low pressure adapter, 1pc valve core removal tool [Excellent R12 to R134a Conversion Adapter] Low/high pressure R12 to R134a conversion adapter can convert your old 1/4 inch SAE or 7/16 inch-20 UNF R12 R22 charging port to fit R134a quick charge hose, a good tool for vehicle air conditioning system [Size Description] Low pressure R12 to R134a conversion adapter: 1/4 inch (7/16 inch-20) x 13 mm (Blue); High Pressure R12 to R134a Conversion Adapter: 1/4 inch (7/16 inch-20) x 16mm (Red) [Premium Aluminum Material] R12 to R134a retrofit adapters are made of aluminum material, with excellent sealing, corrosion resistance, solid and durable function [Wide Application] Air conditioning conversion adapter kit is fully used to replace R12 R22 with R134a charging port 1/4 inch SAE or 7/16 inch - 20UNF adapter. It is an ideal air conditioning conversion adapter kit for repairmen Color: Photo color Material: Aluminum Package Contents: 1x r12 to r134a high pressure adapter 1x r12 to r134a low pressure adapter 1x valve core removal tool The above package content only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.