$178.89 (as of 21/08/2018 11:35 PDT details )
Features:
- Rugged steel side plates formed to include bumpers and trolley guards
- Frames connected by steel equalizer pin, secured by two nuts on each side
- Universal tread flanged trackwheels equipped with shielded ball bearings
- Easy rolling on american standard shapes, wide flange shapes or patented rail, hardened wheels and axles
- Spacer washers can be shifted inside or outside for easy adjustment to wide range of beams