Roadmaster Tow Defender for Blue Ox tow bars with Blue Ox brackets, Demco tow bars with Demco brackets and all motorhome-mounted Roadmaster tow bars. A bumper-to-bumper blanket of protection! The Tow Defender's all-weather, heavy-duty screen deflects rocks, gravel and road debris down and away, protecting your towed vehicle's finish, headlights and windshield against chips and dings. The vinyl-coated mesh lets air through, keeping it low and over the road. Fully extended, the Tow Defender offers 20 square feet of protection, and is held in place with shock-absorbing gas struts. Once you've reached your destination, roll up the Tow Defender, snap the elastic straps around each end and store it against the motorhome. Features: Quick installation and release. Lightweight and compact weighs just 14-1/2 pounds, and rolls up to four inches in diameter. Powder-coated steel supports and heavy-duty gas struts for maximum durability, support and cornering flexibility.