Niddle Valve Male 1/8" - 1/8" to 3/4" - 3/4" Niddle Valve Female 1/8" - 1/8" to 1/2" - 1/2" Niddle Valve M x F 1/4" - 1/8" to 3/8" - 3/8" Brass Ball Valve 1/2"