The KG001712 is a mini extension arm with a hexagonal stud on one side, designed for the Convi and Super Viser clamps, and a baby 5/8 (16mm) receiver on the other. It has a double ball elbow joint giving you the ability to articulate the two sides in any direction.
The 3/8" Finger Nuts are used to securely lock the 9.Solutions 3/8" rods to different accessories. The 3/8" Connecting Nut is used to connect multiple 9.Solutions 3/8" rods together, allowing you to make longer rods.
Multiple rods can be used to create larger structures for rigging small cameras, lights, and a variety of other equipment.