An innovative accessory that provides smooth Edge transition from the ground to your trailer or ramp. Increased size to 24" allows for more versatilityIntegrated traction knobs to provide grip for tires and foot trafficIntegrated cut lines to provide clean edges when trimming to fitHinge & pin design eliminates stainless hinge to reduce assembly timeIncorporates Caliber's proven friction-reducing glide technologyMade in USA and includes Caliber's lifetime warranty