Wooden Camera Ultra Arm Monitor Mount (1/4"-20 to 1/4"-20, 3")Ultra Arm Mini Monitor Mount is an articulating arm with tool less 1 4 20 and 3 8 16 knobs and non slip rubber pads on each end and a center double ball clamp. The 3 8 16 end comes with ARRI accessory mount locating pins installed which can be removed if needed. This is a shorter version of the Ultra Arm and is ideal for keeping your LCD or accessory close to the camera body while still achieving a good range of motion.