Poly Shipping Container Ramp for use with hand trucks and dollies for loading and unloading. Constructed of high-density polyethylene (HDPE) for excellent strength and durability. Ramp features a hook rail that attaches to the doorkeepers for secure three-point contact and support across the width of the ramp, as well as a tab that inserts into the keepers to help prevent lateral movement of the ramp during use. This lightweight ramp (25 lbs.) also features a 750 lbs. load capacity and a 10" height differential. 100% Made in the USA.