ProMaster Professional Double Spigot 1/4-20m to 3/8m

This high quality solid brass spigot is double-sided. It has as a common 1/4-20″ male thread on one side and a common 3/8″ male thread on the other. It is excellent for joining various items together. It is the same double spigot included with all ProMaster 5500 Studio Clamps.