Quick Coupling Nipple in a variety of sizes.

QC 3/8" Plug to 1/4" Bsp F

QC 3/8" Plug to 3/8" Bsp F

QC 3/8" Plug to 3/8" Bsp M

QC 3/8" Plug to 1/2" Bsp M

QC 1/2" Plug to 3/8" Bsp F