CALDWELL'S new Precision Lifting Boom combines the reach of a fork lift boom with the precise lifting of a hoist, adding value and functionality to your lift truck. It fits standards fork lift trucks and is an economical alternative to an overhead or gantry crane. The self-contained power supply allows you to use the boom with with no special power requirements. Available in fixed, telescopic, and pivoting telescopic models with hook block capacities of 2,000-2,400 lbs.