The Smartphone Aluminum Clamp 7″ Magic Arm from SHAPE provides an adjustable smartphone mounting solution for various applications. The clamp supports phones 2.5 to 3.5″ in width, including the iPhone 7 Plus. It offers a shoe mount on top and three 1/4″-20 threaded holes. One hole is on the bottom and two are on the sides, allowing you to secure the clamp to the Magic Arm (or other support) vertically or horizontally, for portrait or landscape orientation. The clamp is made of aluminum with a matte black finish and has rubber pads that grip the phone. It’s spring-loaded and adjustable in width at the turn of a rotating screw on top. The Magic Arm features a 1/4″-20 screw on each end and comes with a shoe adapter and 3/4″ spacer. It is also made of aluminum. The 7″ Magic Arm from is an adjustable mounting option for attaching accessories such as small monitors, lights, and microphones to your camera. It uses two 1/4″-20 screws, one for each end, and comes with a foot adapter for use on hot shoes and accessory-shoe mounts, and also included is a 3/4″ spacer.