WARN Plow blades are made of high-strength low alloy steel with 3/16"" outer ribs for superiorstrength and rigidity. Massive bushings used at critical pivot points help reduce wear and helpabsorb the shock of plowing. Replaceable wear bar and adjustable gravel skids make fast work ofthe most diffi cult jobs. Quick disconnect pins allow for quick and easy removal of the plow to gofrom work to fun. *Plow Base/Tube Assembly 990A0-45031, Winch 990A0-45053 required. Also required for function:Plow Mount (see specific model for applictation), and Winch Mount (see specific model for application).