The 290mm Aluminum Lighting Spigot Box Truss Corner is designed for robust lighting support with half couplers on three sides. Constructed from durable aluminum alloy 6061-T6, it features a main tube of 50mm x 3mm and a diagonal brace of 25mm x 2mm. The truss corner is washed and TUV rated, ensuring reliable performance for professional use. With dimensions of 290 x 290 x 290mm (excluding the half coupler), this truss corner is perfect for creating secure and versatile lighting setups.