Splash Stop Protective Brush - 22 Inches x (2) 4 foot sections Brush material allows for good air flow to prevent wind drag or heat build-up. Will not interfere with normal hitch operation. Mount to your rear bumper to deflect gravel, mud, and slush from your RV and towed vehicle. Kit contains (2) 4 foot wide brush strips with brushes that hang down 22 inches (2) 4 foot wide aluminum mounting channels Package of 15 #8 sheet metal screws are included