Protects the back of your motorhome and vehicle in tow from debris and grime from the road. Tow guards can be adjusted for length to accommodate hitches, mufflers, or electrical wiring. To determine correct height, measure from bumper to ground and subtract 4". When installed, motorhome guards measures 48"W x 20"H (overall width of 96"). Truck and van tow guards measures 34"W x 14"H (overall width of 68"). Two sections per box.