The 4.7" black 5/8" Snap-In Pin for Super Clamps from Impact has a 5/8" (16mm) non-threaded spigot attachment on one end, and the hexagonal Super Clamp-type fitting on the other. It can be used to connect a lighting fixture that has a 5/8" female receptor to a Super Clamp. It is constructed from aluminium and comes finished in black.