Charging vacuum port adapter is designed with a thimble to prevent fluoride leakage. Available in two style angles for easy access to different installation spaces and quick connection. Perfect for most new R410A mini split air conditioners, HVAC and other refrigeration equipment. with 1/2inch Female to 1/4inch Male and 1/4inch Female to 1/2inch Male Adapter. Suitable for charging and service tools, such as vacuum pump, can tap or oil injector to adapt between R12, R22 system and R134a systems. Air conditioning line repair tools are made of premium brass for and sturdy to use, and high pressures, effectively extended service life. The sealing ring on the brass nut makes it have better sealing performance 2 x Angled R410a adapter, 2 x straight R410a adapter, 1 x Valve Core Remover, 5 x R134a hose gasket, 5 x valve core, 5 x Thimble, 1 x vacuum pump adapter 1/4 Flare Female to 1/2 Male, 1 x R134A refrigerant tank adapter 1/2 Female to 1/4 Male Flare Colour:As Shown Material:brass