Harrington PT manual trolley, 1/4 or 1/2 ton capacity.
Fits both tapered and flat flange beams.
Maintenance-free, sealed precision ball bearings are lubed for life.
Supplied with "Suspender C" for use with manual hoists with a top hook.  Contact WiscoLift if you plan to use this with an air or electric hoist.
Easily adjust trolley to fit a wide variety of beam flange widths (must select beam flange range at time of order).
Designed for straight tracks or curved beams with a minimum radius of 13.8".