ITEM NAME:Low Pressure Accessories Durable Joint Threaded With Cap Conversion Adapter Car Features: Made of metal material, durable and lightweight. It can be used with a switch by a threaded connection. There is a gas switch inside and a protective cap. Converting your old R12 charging port and allow it to accept the R134a quick disconnect hose. Time saving, easy to install. Replacement parts for cars. Specifications: Color: As picture shown Material: Metal Quantity: 4 Pcs Package Included: 4 Pcs x Conversion Adapter 4 Pcs x Conversion Adapter Cap Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-2 cm measuring deviation due to manual measurement..Converting your old R12 charging port and allow it to accept the R134a quick disconnect hose. It can be used with a switch by a threaded connection. 4 Pcs x Conversion Adapter Cap. 4 Pcs x Conversion Adapter.