The fast, economical way to change your fork truck into a mobile jib lift. Just insert forks into 5 1/2"Wx2 1/2"H, 16"W overall fork pockets. The 3' restraining chain with clevis attaches to your forklift carriage, securing the unit onto the fork truck. Constructed of structural steel tubing for superior strength. 5 hook positions. Non-telescoping. Check with your forklift manufacturer for load capacities before using.