1/4 Male hose end with 3/8 ID hose. Brass hose fittings 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. Male hose end with barb. Product Features:Assemble new hoses or replace old fittingsSecure with a crimped ferrule for best results1/4 Male national pipe thread3/8 Inside hose diameter