The Vestil S-FORK-4-AT Forklift Hoisting Hook quickly and easily converts your forklift into a swivel hook hoist. Unique design features auto-tension that adds tension as weight is added. Hoisting Hook attaches easily without the need for specialized tools. A 36" long safety restraint and screw clamps secure the hook to the fork. The Vestil S-FORK-4-AT features a hook that is zinc plated and comes standard with a hook with shackle.