Easy rolling on American standard shapes, wide flange shapes or patented rail.
Use with hook suspended hoist.
Rugged steel side plates formed to include bumpers and trolley guards. Frames connected by steel equalizer pin, secured by 2 nuts. Space washer can be shifted inside or outside for easy adjustment to a wide range of beams. Universal tread flanged track wheels equipped with shielded ball bearings. Hardened wheels and axles for added strength and durability. Bearings prepacked with lifetime lubricant. Includes suspension plate for easy hoist attachment. One-year warranty. FOB Shipping Point.
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