Made of brass, aluminum and steel materials, , temperature resistance and resistance, providing solid internal structure, heat resistance, durability and rust resistance, ensuring long -term service life. The connection parts adopt a precision fine thread design, and the interface is also equipped with sealing parts to safety. The design of R1234YF to R134A conversion adapter can provide good sealing. At the same time, it has closed functions. It is convenient to use and effectively prevent leakage. These low/high-side modification/adapter/accessories will be converted to the old 1/4 inch SAE or 7/16 inch -20 UNF R12 R22 charging port to accept itR134A fast disconnecting hose; low side, 1/4 inches (7/16 inches-20) x x 13 mm (blue); high edge, 1/4 inches (7/16 inches-20) x 16 mm (red with a lock structure, removing pure copper adapter, sealing with O -shaped ring, longer service life, very suitable for connecting various instruments and using car air -conditioning refrigerant charging work 1 pair of R134A high -voltage and low -voltage fast connections, 1 x puncture type water faucet, 1 x self -sealed tank water faucet valve, 1 pair of R134A to R410/R22 adapter conversion kit, 2 x 1/4 inch downtown , 1Personal tank adapter 1/2 -inch to 1/4 inch mother connector, 1 x dual -headed valve core removal, 5 x R410/R22 core, 5 x R134A core, 5 x R134a green rubber cushion ring, 2 x R410A straight appropriate accessories, 2 X R410A angle adapter, a total of 32 pieces Colour:As Shown Material:Aluminum Package Contents: 1 set x r134a refrigerant Only the above package content, other products are not included. Note: Light reflection 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!