spanco workstation jib cranes work best for light capacities yet offer the same benefits as a freestanding jib crane. these lighter jib cranes come with a hoist trolley and only require a 6" reinforced concrete floor. opt......spanco workstation jib cranes work best for light capacities yet offer the same benefits as a freestanding jib crane. these lighter jib cranes come with a hoist trolley and only require a 6" reinforced concrete floor. optional portable bases are available to make your workstation jib crane portable. for even lighter capacities, try the affordable tie rod workstation jib crane with capabilities up to a 1000 lb capacity. spanco enclosed track workstation jib cranes come in two styles: freestanding workstation jib cranes - capacities from 100 to 1,000 lbs. - standard spans up to 16 ft. - standard under boom heights to 12 ft. - 360 rotation. - utilizes square or hexagonal base plate mounting secured by anchor bolts to your existing floor or a special foundation, as required by the loading condition. (anchor bolts by others, or as optional equipment.) wall cantilever workstation jib cranes - capacities from 100 to 1,000 lbs. - standard spans to 16 ft. - 200 rotation. - wall or column mounted (requires structurally adequate wall or column support). - bronze bearings at the pivot points ensure easy rotation. - shim stock up to 7/32 in. ensures jib alignment through the pivot axis, which reduces unwanted boom drifting. spanco enclosed track workstation jib cranes are designed for light duty applications. capacities vary up to 11,000 lbs. and spans reach 16 feet. circular coverage workstation jib cranes offer 200 or 360 of rotation. workstation jibs offer easy, ergonomic movement for applications requiring repetitive lifting and transferring of loads. an operator could be pushing a 1000 lb. load however, the operator will experience the force of approximately 10 lbs. to begin moving the load and 8 lbs. to continue moving the load (100 to 1 ratio). also, a manual crane operates more quickly than a motorized crane.