All Racequip Window Net Mount Kits are made from high quality steel then zinc plated for a durable finish. Latch & Link Style features 30" Flat top bar & 35" Flat bottom bar. The top bar has a latch & link style buckle system to use as a quick release when mounted to the racecar chassis. Both the top and bottom bars are held in place by the included tabs that are welded to the chassis. RaceQuip Window Net Mounting Kit includes all necessary hardware to secure the top and bottom of one window net.