The Swivel Coupler will fasten from 1-1/4" pipe (1.660" OD) to 2.050" OD truss tube. The Swivel-Coupler has wide wing nuts for fastening the clamp to the pipe or tube. The Swivel Coupler can be locked into a 90 degree fixed coupler by adding an optional 7/32″ × 2″ spirol pin (see Coupler Spare Parts). The Swivel Coupler is available with a Steel Wingnut(SW) or Stainless Steel Hardware (SS) option. Minimum Size1.25" pipe, 1.66" OD pipe Maximum Size1.5" pipe, 1.90" OD pipe, 2" OD truss tube Working Load Limit1,100 Pounds 500kg Weight2.2 Pounds Case Quantities12What is a Cheeseboro? Cheeseborough clamps aka Cheeseboro, Scaffold Clamps, Couplers, Swivels and even Cheese-burger or Burger Clamps. The name is believed to derive from the Chesebro-Whitman manufacturing company of New York. The devices are used for connecting iron pipes or aluminum tubes. They come in two styles; rigid (aka fixed 90¡) or Swivel.
