Polar Focus HCF-500 Full Cheesborough Clamp Sets – these clamps are for attaching to 2″ OD lighting truss or 1-1/2″ Schedule 40 pipe (1.9 inch OD).
They are very useful for speaker rigging from generic lighting truss, theatrical lighting pipes, or batten. Full cheeseborough swivel clamps are used for joining two pipes together.
Full Cheeseborough Type Clamp includes a locking pin so the clamp halves can be locked together in parallel or perpendicular orientations. The Working Load Limit (WLL) is 550 pounds per clamp with a 10:1 design factor.
Pro audio rigging design, roof attachment, supplemental structure, sales, support and PE stamped drawings for all 50 US states and Canada provided by Polar Focus. Call us today for more information at (413) 586-4444.