The Vocas 15 mm aluminium rod -- 60 cm in length connects to your camera rig, extends it and allows you to add various accessories compatible with 15 mm rods. You can add a follow-focus, a camera support, a shoulder mount and much more. In fact, if you wish, with a few of these rods, a few fundamental accessories such as a camera support, and also with a good dose of creativity, you can start building your own rig from scratch. The rod has a diameter of 15 mm, a length of 60 cm, it is hollow, unthreaded and made from reliable anodised aluminium.