Product details:
The all-steel unit adjusts from 94 1/4 in. to 141 1/2 in. in height to adapt to different jobs, and spans 94 in. to accommodate the widest vehicles. It rolls smoothly on four rubber-coated 5 in. locking swivel casters, and disassembles quickly (without tools) for storage and transport. The I-beam measures 3 in. wide by 4 3/4 in. tall, and the crane base is 47 1/4 in. wide.