Constructed from lightweight, strong aluminum this professional variable friction arm is both flexible and versatile. It is designed to match with a whole array of standard size 1/4" and 3/8" attachments. With this variable friction arm, you will enjoy full, fuss-free range of movement. In combination with the super clamp this friction arm is the perfect complement for attaching the Orbiter control panel to a great variety of surfaces while keeping it organized and flexible.