Check the listing for details. Speedway Motors Mild Steel Roll Cage Tubing, 1-3/4 OD, .109 Wall, 7 Ft.. Condition: New. Listed at 39.99 USD. Optimal Diameter and Wall Thickness: The Speedway 1-3/4 OD .109 Wall Mild Steel Roll Cage Tubing is meticulously designed with a 1-3/4" diameter and a .109 wall thickness to ensure it meets the rigorous demands of roll cage applications., High-Quality Material: This roll cage tubing is made from HREW 1020 mild steel, a sturdy and reliable material that promises longevity and exceptional performance., Pre-Notched Tubing: The tubing is pre-notched wherever necessary for ease of assembly, saving you significant time and effort during the installation process., Minimal Additional Notching: While some notching is still required, this tubing is largely pre-prepared, enabling a smoother and quicker assembly process., Natural Finish: This 7-foot roll cage tubing sports a natural finish, blending s.