Mount an extension arm or monitor onto your cage or rig and prevent it from twisting with this1/4″-20 to 3/8″-16 ARRI-Style Accessory AdapterfromWooden Camera. The adapter features a 1/4″-20 screw on one side and a 3/8″-16 ARRI-style accessory thread on the other. The ARRI-style anti-twist pins on your cage, rig, or accessory prevent your monitor, articulating arm, or other accessory from twisting.

Compatibility

SmallHD monitors, extension arms, or other equipment with a 1/4″-20 thread
Cages, rigs, or mounts with a 3/8″-16 screw ARRI-style anti-twist pins