This is a strut kit only, not an entire cage. It is designed to update a roll cage into a 10-point cage. It includes two door bars, two rear struts, ten floor plates are 6"x 6", 10 gauge (.134" thick) and twelve weld joint gussets. Competition Engineering 10-Point Roll Cages are not designed for use in vehicles where the stock floor has been removed. Check your sanctioning body's rulebook for installation guidelines. This Roll Cage has been designed to eliminate some of the more critical operations for you, the installer. Some of the tubes have had the notches roughed in for you but will still require some minor trimming to meet your specific needs. Manufactured from 1 5 8" O.D. x .134" wall mild steel or 1 5 8" O.D. x .083" wall aircraft-quality AMS-T-6736 chrome moly tubing