Two Quick Release Mount Ball Heads, 1/4"-20 Threads, Quick Release Buttons, Supports up to 13.2 lb, 360° Rotation, Central Locking Knob, Removable Pins For anyone looking to quickly yet securely mount accessories on your camera rig this 7 Falcam F22 Quick Release Magic Arm Kit attaches to your camera's hot shoe and provides three points of articulation to precisely position your accessory on your camera. The arm features two 360? rotating quick release mounts for efficient attachment of various accessories like secondary monitors and fill lights. The kit includes 1/4-20 screws and two removable anti-twist pins per plate allowing you to configure the release plates as needed for compatibility with a variety of accessories and support systems.The arm supports up to 13.2 lb in its shortest configuration and each quick release mount has a quick release button for easy unlocking. Each quick release plate has a 1/4-20 screw for compatibility with 1/4-20 threaded accessories. A central knob locks the heads and the arm into place once you achieve your desired position. The magic arm is compatible with all Falcam F22 quick release accessories.