The Global Truss Boom Arm 45 stage black is a rigid 45 cm boom arm for suspending luminaires from a vertical pipe. The extension from the coupler is 45 cm, the tube diameter is 50 mm, and the coupler accepts 48–51 mm fittings. Finished in black, this component is intended for rigging and truss accessory applications and should be used with compatible mounting hardware. Manufacturer code F34BOOK-ZC-B aids procurement and installation planning.