5 PCS Brass Flare Tube Fitting SAE 45 Degree Hex Cap Female Seal Plug 3/8 Inch
5PCS Brass Flare Tube Fitting 3/8″ OD Tube SAE 45 Degree Hex Flare Cap Female Seal Plug Fittings. Used with copper, brass, aluminum and steel hydraulic tubing that can be flared. Flare fittings on the end of tubing should provide a strong connection to a fixed point with a threaded nipple.