Global Truss Smart Arm 75; curved boom arm for mounting a light effect on a boxing stand, despite the speaker being attached. Half clamp 30mm width for 32-35mm tube; locking screw M8 wing nut; Breaking strength: 11.64 kN; Aluminum 6061 T6; telescopic tube height: 70 - 90 cm; tube diameter: 40 mm; Connection thread: M10;