?Packing List:-2 pcs R134A self sealing can tap-2 pcs brass tank adapter?Specifications:-Can tap material: durable brass-Tank adapter material: durable aluminum alloy-Size: 1/4 SAE male x 1/2 ACME female can tap 1/4 female x 1/2 male adapter?Advantages:-Size:1/4 SAE male x 1/2 ACME female can tap,1/4 female x 1/2 male adapter.-Durable Quality: The can tap and adapter is made of the hight quality aluminum and brass,which is more stronger.-Great Sealing: The can tap and adapter will ensure that you will not leak during use.-Wild Applications: The can tap and adapter are widely used in R134A refrigeration systems.-Quick Installation: Easy to install and connect and there will be no waste.