The Foba SAONO Sliding Clamp Bracket is part of the Combitube System. This clampholder is ideal for mounting lighting fixtures to a Combitube upright section that is mounted on a STARI wheeled base. It slides instantly by pulling the trigger, locks in place by releasing it. It is a Sliding clamp with trigger and provides smooth and continuous movement. The front sleeve can be fitted with various interchangeable adapters. A spigot for your fixture is required and not included.