Use two of these stack frame clamps and combine with two trigger clamps (optionally available) to mount a projector in a stack or rigging frame to a truss. Suitable for a 40 x 40 mm (1.58 x 1.58 inches) stacking frame.
Maximum load without safety cable is 50 kg (110 lbs)
Maximum load with safety cable is 100 kg (220 lbs)