[Size] 6AN Female Hardline Tube Nut and Sleeve; 6AN thread size is 9/16-18 UNF; tube sleeve applys to 3/8 OD stainless steel tube
[Material] The fitting adapter is made by 6061-T6 aluminum alloy, with anodized finish on surface
[Feature] The hardline tube nut is used for the connection of the alloy pipe and fitting, and the sleeve is used for fixing the pipe to prevent it from moving
[Installation] Firstly install the tube nut and sleeve on the tubing, then use a 37° flaring tool to flare the end of the tube
[Usage] The hardline tube nut & sleeve fitting is widely applied to engine modification, refueling system, fuel system, brake system, cooling system
[Tips] We recommend VehiMata AN hose fitting Wrench for easy installation