555-25925 - Half Coupler 2" Silver 220lbs Max Load
For tubes 48-51mm in diameter
Mfr Name: Global Truss
Mfr Number: 812S
555-25930 - Half Coupler 2" Black 220lbs Max Load
Mfr Number: 812B
I have dealt with MCM Electronics a number of times and have been more than satisfied.