This pro-grade swivel clamp is designed for joining truss systems or pipes with a 2-inch (50mm) diameter. This heavy-duty clamp includes (2) M10 bolts that tighten down via easy-to-operate, large wing nuts—designed to hold fixtures with a weight of up to 1100 lbs (500 kg) load capacity. This clamp is explicitly used for hanging light fixtures and effects in a professional environment.