The Mega-Coupler will fasten from 1-1/4″ pipe (1.660″ OD) to 2.050″ OD truss tube. The Mega-Coupler has the wide wing nuts for fastening the clamp to the pipe or tube. Safe Vertical Working Load 1100 Pounds, (500 KG).
1.25″ pipe, 1.66″ OD pipe
2″ OD truss tube,1.5″ pipe, 1.90″ OD pipe
Working Load Limit