Metal traverse light hook: fits round tubes 18–21 mm in diameter with a 20 mm side width, providing a secure mounting point for lighting fixtures on standard truss systems. Lighting hook: made from robust aluminum alloy, delivering high durability and long service life; features a double clamp for secure attachment to round tubes. Metal light carrier: specifically designed for round tubes 18–21 mm diameter and a 20 mm side width; ensures a precise fit every time; compatible with DJ light clamps. Lighting traverse: universal cross design enables quick and convenient adjustments and easy adaptation to your specific needs; includes a mast clamp for attachment to truss or mast structures. Benefits at a glance: - Durable aluminum alloy construction for reliable performance. - Exact compatibility with tubes 18–21 mm diameter and 20 mm mounting width. - Flexible mounting options via double clamp, DJ light clamps, and mast clamp. - Quick adjustments with a universal cross design for efficient setup. Use scenarios: - Live concerts: install lighting fixtures on round truss, perform rapid position and angle changes during soundcheck and show. - Corporate events or weddings: rig fixtures on venue truss or stage mast, reconfigure layout quickly for different room setups. - Studio or theater: build a flexible lighting rig with adjustable cross-traverse, swap fixtures as needed for scenes or shoots.