This 3/8" MNPT 360 degree full swivel hose fitting prevents hose from kinking. A hose clamp may also be used but is not as desirable. Brass hose fittings are used to assemble new hoses or replace old fittings on hoses. For best results and professional finished product the hose end should be secured with a crimped ferrule. A hose clamp may also be used but is not as desirable. This full swivel hose end fits a 3/8" hose ID.