Hoist comes with push beam trolley that fits beams with 3 to 6-1/2 wide flange. Pendant/Control Length From Bottom of Hoist (ft) 12. Cm lodestar rr2 electric chain hoist 2 ton 5/16fpm 2 spd 20'lift 460v withtrolley this item is in the category business & industrial\material handling\hoists, winches & rigging\cranes & hoists\chain hoists.