Guard Dog GD2X75-ST-B/B Polyurethane Heavy-Duty 2-Channel Low-Profile Cable Protector with Standard Ramp， Black Lid with Black Ramp， 36" Length x 11.94" Width x 1.5" Height<img src="http://ecx.images-amazon.com/images/I/412hhmEIF8L.jpg" noproxy>