Manufactured from 1 3/4 x .134 wall mild steel tubing. The “main hoop kit” consists of a mandrel formed main hoop that is model specific. The “strut kit” consists of two rear struts,two front door bars,main hoop crossbrace,two diagonal hoop supports, six weld joint gussets and six 6″x6″x 1/8″ steel mounting pads to provide a solid mount for the bars. Complete instructions are included for a hassle free installation. Available for many applications. Pllease call to check for your specific applications.