Global Truss America X-PRO SWIVEL CLAMP
Extra Heavy Duty 2-Inch Dual X-Pro Swivel Clamp
360-Degree Rotation or can be fixed at a 90-Degrees
Compatible: F31, F32, F33, F34, DT34P & DT44P Truss
Minimum Tube Size: 48mm 
Maximum Tube Size: 51mm
Bolt Size: M12x40mm
Pitch Thread: 1.75 coarse
Profile Width: 50mm
Max. Load Capacity: 750kg/1650lbs
Unit Weight: 2.55lbs