Tube End 3/4"-16 Left Hand Thread (Use 1-1/4" x .188 tubing)
Tube End 3/4"-16 Left Hand Thread (Use 1-1/2"x .250 tubing)
Tube End 3/4"-16 Right Hand Thread (Use 1-1/4"x .188 tubing)
Tube End 3/4"-16 Right Hand Thread (Use 1-1/2"x .250 tubing)
Tube End 5/8"-18 Left Hand Thread (Use 1-1/8"x .188 tubing)
Tube End 5/8"-18 Right Hand Thread (Use 1-1/8"x .188 tubing)