Designed to mount over 1 inch ramp cross bars on solid, double and tri-fold loading ramps. 2 pieces together helps prevent stud damage to loading ramps from snowmobile studded tracks while adding additional traction. The 7.5 inch long pieces can be used for ATV/UTV traction when placed on the outer cross bars. Enhance and protect your ramp investment. Made in Canada, Proudly North American.