Features: , This 3-in-1 wall mount tapable valve is suitable for all R134a (2 7/8") and R12 (2-1/2") refrigerant manifold. This 3-in-1 side can be made of impact-resistant composite material with pins metal hinge to increase the strength of this key position. , long lifespan, tested before shipment. The 1/2" acme-male and 1/4" FL-Male couplings have internal check valves to prevent leakage of the system and to allow storage of partially used tanks. When working on automotive A/C systems, R134A R12 Side Can Tap provides a quick and simple way to connect refrigerant, oil, or additive tanks to R12 or R134A.3-in-1 refrigerant air conditioning bottle opens the valve. A sch-rader valve on the accessory prevents leakage and allows you to store partially used cans. The pliers-style handle is easy to use and has a reliable locking latch to ensure security. Product Parameters:Name: three in one side plug Thread: 1/2" ACME male thread and SAE 1/4" male thread Bore size: 60.5mm (2-3/8 inch) & 68mm (2-11/16 inch)Material: Plastic + Copper Valve Color: Green Size: 5.1*8 inch Package List:1*Side Mounted Tapered Valve Note:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.