"The Elevate Outdoor portable jib crane for pickup truck or trailer beds allows one person to easily lift heavy objects with a manual operated 3-ton hydraulic ram. Maximum capacity is 1,000 pounds with the boom contracted and 400 pounds with the boom extended. Jib swings 360 degrees with a swivel base with an integrated locking arm to restrict free-movement. The lift boom extends to 70-7/8"" while the ram travels up to 15.5"" maximum. Includes 8 pre-drilled 3/4"" holes in the 10.625"" square base-plate for mounting to a pickup truck or trailer bed (mount hardware sold separately). Made with heavy-duty steel construction, black paint finish, heavy-duty chain and hook."