1/4" Female to Female (M/F) brass ball valve. This valve features a durable rubber covered steel handle that opens and closes the steel ball valve as well as 1/4" Female NPT threads on one side and 1/4" female NPT threads on the other. This valve measures 2" long when open and 1-5/8" long when closed; which makes it perfect for tight spaces. This ball valve has a max working pressure of 200 PSI.