Adaptive Technologies BC12-17-2 - Rigging Channel Beam Clamp (12-17" Open Hang / Dual Swivel Eye)Standard, pre engineered beam clamps anchor to a building's beam structure and offer two very predictable off set rigging points for hanging clusters, arrays and other objects from overhead. This channel style beam clamp is adjustable and mounts flush underneath the beam's flange. It comes equipped with two eye nuts, one on each side of the flange, for suspending objects from wire rope, rigging chain, spansets, etc. Use the BC12 17 2 channel style