This Master Mechanic 239464 coupler is a versatile and essential fitting for many applications. With a 1/4" FNPT connection, it is compatible with many hoses and pipes. Whether you are working in hydraulics, pneumatics, pumps, or plumbing, this coupler will provide a secure and reliable connection. The coupler is made by Master Mechanic, a trusted brand in the industry. It is designed to withstand the demands of heavy-duty use and is built to last.