The Super shield Quickfit System is the strongest housing on the market. The Super shield features a fully enclosed, radiused steel housing is that is 100% welded. Great for applications that requires the best protection from falling debris. This kit is good for applications up to 22' and includes the Steel 4 Spring Arm Kit & 24' x 84" Black Mesh Tarp. The Steel 4 Spring Arm Kit is great for applications up to 22'. The kit features Steel Upper Arms, Urethane Bumpers to reduce noise and Telescoping arms for easy length adjustment. The Super Shield housing is 87" wide and contains all hardware, wire, switches and relays.