Feature●You will receive: 2 sets are total of 4 pieces, including 2 pieces 6014 vacuum pump adapter and 2 pieces 6015 R134A refrigerant tank adapter, more convenient for you to use●Practical adapters: these tank adapters are as charging and service tools, can be applied to vacuum pump, can tap or oil injector to adapt between R12, R22 system and R134A systems●Function feature: these tank adapters provide a tight, secure, leak-free connection that allows you to quickly and easily connect and disconnect high flow●Solid brass construction: these tank adapters are made of solid brass, sturdy to use, corrosion resistant, not easy to rust, you can use them for a long time●Size details: the size of 6014 vacuum pump adapter is approx. 2.6 x 1.6 x 4.4 inches, the size of 6015 R134A refrigerant tank adapter is approx. 2.6 x 1.6 x 4.4 inches, please check the size carefully before purchasingDescription