The Aputure A10 Articulating Magic Arm is a 10 inch multi-function magic arm, which features a hyper-stable and reliable locking system. It can be easily locked at all joint activities and fix in more position. The locking a10 can help you to experience a hyper-stable, but flexible support system. Containing 1/4 mount and standard cold shoe mount, widely used in a variety of video accessories. The arm has aluminum body with fine CNC and post-anodizing features durable quality and a clean design. It also has ergonomic design of knob as the longer the knob is, the less effort it takes to fasten two rods. It is easy to lock the a10 when rotating the knob.