SmallRig Mounting Bracket for Teradek Bolt Receivers 2107 is used to mount the Teradek Bolt Receiver to a monitor cage. The bracket consists of two parts to make it quick releasable, there are many 1/4" threaded holes and one Arri 3/8" hole each part for mounting accessories. You can also mount a magic arm to the bottom of the bracket to hold the receiver. It is compatible with the battery plate 1846 and 1530 for a battery to power the monitor and Bolt Receiver.