WIDE COMPATIBILITY: The R1234yf self-sealing can tap refrigerant dispenser with R134A adapter, connects all R1234yf automotive conditioning refrigerant cans. Refrigerant bottle opener with 1/2 Inch LH female/internal thread, the 1/4 inch SAE male/external cooling pipe connection thread can direct fitting for R12 R22 manifold. The 1/4 inch SAE female x 1/2 inch male tank adapter fitting for R134A manifold.Safety & Durable: Extended disconnect protection sleeve provides safety protection and protect from injury and refrigerant loss, defending against leakage. Hard construction make that durable and long lasting to use.Easy Installation: Brass metal construction for quick and easy to install, red for high pressure, blue for low pressure, include 2 pcs removable brass adapter (1/4 inch SAE Male Port).Premium Quality: The heavy duty low loss refrigerant manual couplers are made of brass mental material, pass a strict inspection to high quality and premium performance.Material:Brass+aluminum alloycolour:Red+blue+goldPackage Contents:1 x R1234YF Self-sealing Refrigerant Bottle Opener.1 x Tank Adapter.1 x R1234YF High Side Coupler 17 mm1 x R1234YF Low Side Coupler 14 mm2 x AdaptersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.