Really Right Stuff Series 4 Threaded Tripod Leg Collar

The Series 4 Threaded Tripod Leg Collar from Really Right Stuff allows for the attachment of peripheral equipment such as mobile phones, magic arms, tablets, and other accessories directly to your tripod. It features a 3/8"-16 mounting socket and dual 1/4"-20 sockets, which are spaced 1.2" apart. The anti-twist slot allows you to mount a ball head to the tripod leg for additional freedom in positioning accessories.