These trollies have been designed to quickly install on virtually any S type I-beam.
The width of the trolley is adjusted by rotating the center rod with lifting eye clockwise or counterclockwise.
Once hoist is attached, center rod cannot be rotated which prevents trolly width from accidentally changing.
Geared trolley is ideal for use when precise positioning of the trolley is required.
The trolley includes four roller with sealed bearing for long life.