GN1 4" Round Straight Coupler
Free shipping to the lower 48 states
T5SRT is a 4.5" square down tube with set bolts and a through pin hole. Made to work with the GN2, SB2, or SB216.
THE PHOTO IS A T4RRT 4" round tube. Only difference is the T5SRT is a 4.5" square tube.
