The poly fender mounting kit includes all hardware to mount polyethylene fenders to your vehicle. It has heavy wall, structural steel tubing for corrosion resistance. The kit includes two 30.5″ long mounting arms that cover all dual rear wheel applications. The 5″ tubing offsets clear spring shackles and adjusts fender mounting height. Kit also includes four plastic end caps, two frame bolts, and four adjustable poly fender hanger brackets with fasteners.