Bolt the 15mm Rod with 1/4"-20 Anti-Twist Mount onto a cheese plate, cage or other support that has a 1/4"-20 anti-twist thread to help build a customized camera rig. This accessory rod uses built-in locating pins for secure mounting and enables you to attach rod-mounted accessories. Equipped with an M12 thread on one end, the rod can also be used for extending another threaded rod using the rod connector (available separately).