A steel mounting hook for attaching projectors and lighting effects to truss systems with tube diameters from 22 to 25 mm. The clamp has an M8 mounting screw and supports a maximum working load limit of 20 kg with a four-fold safety factor. Its BGV C1 maximum load is 10 kg with an eight-fold safety factor. The silver clamp measures 9 cm in length, 2 cm in width and 9.5 cm in depth, and weighs 0.15 kg.