Professional AC R134A Freon Charging Tool Kit: Come with pair of R-134A adapter, 1-piece ac can tap valve with tank adapter, 1 classic valve core remover Easy to Use: R134A adapter with adjustable valve for leak-free attachment and removal, removable copper adapter for extended maintenance, 1/4" male fitting compatible with many automotive AC manifold gauge hoses Can Tap Valve Set: R-134A can tap refrigerant bottle dispenser with 1/4 inch male fitting, extra conversion tank adapter featuring 1/4 inch female to 1/2 inch male fitting, thus this set will fits both 1/4 and 1/2 inch female fittings AC gauge hose Valve Core Tool: Come with extra automotive high and low pressure side service port valve core removal and installation tool, dual head with thick and thin heads will fits most models Leak-Proof Design: Precision fine threads on all connecting parts, high-quality thick rubber seals for zero leakage, easy operation with snap locks and knurled handle rings, ensuring safety and reliability Lichamp R134A Adapter + Can Tap Adapter + Valve Core Remover