The long Leofoto Professional Magic Arm is the main component that allows you to assemble your own articulating arm. Use this 7.5" main body as the heart of your magic arm, as it can be combined with other optional AM-8 various arm lengths and adapters, allowing you to create the most useful configuration for your camera setup. Featuring 1/4"-20 and 3/8"-16 threaded mounting holes, this section allows you to mount additional accessories. With a virtually endless number of mounting options, this magic arm can be used in a myriad of tasks.