Stromberg-Carlson Bumper Mount Versatile Clothes Line. Towels, suits and more have a place to dry out of the way with this Versatile Clothes Line. The aluminum tubes are removable and the hardware can stay put on a 4 inch or 4.5 inch square bumper. 48 inch long aluminum uprights. Can be mounted up to 7 Feet apart. Strong and durable. Can be removed for travel without tools.