Slick Sliders (all models)These Rock Rails are 1 3 4 tubing with a 1 1 2 notched rail. The standoffs are also notched where they connect with the 1 3 4 tubing. It attaches straight to your frame and all you need to supply are the plates to weld onto the frame. You have to weld the kit together yourself. The one picture has the kit welded so you can see what it looks like once welded together. Your kit will come UNwelded. This will make two rails. One for the driver's side and