Capacity 4 Wheel Cart: 1,900 lbs. , Capacity 2 Wheel Cart: 1,400 lbs. , Length: 12 feet , Width: 28" Wide / 26" Usable , Height Range: 6" to 46" , Style: Steel Hook style that mounts onto the truck extensions - Aluminum Walk Ramp - Enables delivery men, shippers, and receivers to load and unload trucks when docks are unavailable. Ramps feature a 1½" high safety curb on each side. Heavy-duty steel chains with steel grab hooks are attached to each side of ramp for safely securing ramp to truck. Constructed of strong aluminum alloy with non-skid tread surface. The ramp is lightweight and easy to handle.