SmallRig Magic Arm with Quick Release Ball Head 3515 is a quick release mount, which features 1/4"-20 threaded screw slots on both ends, with cushions to enhance friction and prevent scratches. Its quick release ball head is compatible with devices with 1/4"-20 threads, such as cameras, monitors, cages, mounting plates etc. and the quick release plate can buckle vertically and stable into the baseplate, causing no deflection. The magic arm is easy to lock and unlock. The ball head, together with a clamp, enables universal adjustment of the magic arm. It is removable, replaceable. It’s compatible with accessories of 2132, 2133, 2134, 2114, 2108, BUM2383, 2211,you can choose to get the above accessories according to your needs. This magic arm, which holds up to 5kg, locks devices securely during shooting.