1/4 FNPT solid brass hose ends are used to assemble new hoses or replace old fittings on hoses. A hose clamp may also be used but is not as desirable. For best results and professional finished product the hose end should be secured with a crimped ferrule. Fits hoses with 3/8 hose ID. Product Features:1/4 female national pipe threads3/8 hose inside diameterSolid, non-swivel