- 32-35 mm - The selflock hook is a clever combination of C-hook and half coupler - It is ideal for fixing moving lights and other heavy apparatus to a truss - Shutter: M8 butterfly nut - Retaining screw: M8 butterfly nut - Width: 25 mm - Tensile load: 70 kg - Weight: 0.3 kg EUR 13.90 - See more - Buy online