The Rhino-Rack Work Light Bracket is used to mount various lights and aerials to your Rhino-Rack Vortex and Heavy Duty Duty bars. It is made from oxidized mild steel to withstand corrosion. Spring washers are included so your Work Light remains fixed even when driving on corrugated roads.The Work Light Bracket is easy to install and adjust to custom configurations. The use of shake proof washers ensures hardware will remain secure while driving on corrugated roads.