Photo 1 of 2 Wheel Trolley Assembly Rollers Two Bearing Trolley Assembly for 1-5/8" Wide and All 1-5/8" or Taller Strut Channel… Pack of 1

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Photo 1 of 2 Wheel Trolley Assembly Rollers Two Bearing Trolley Assembly for 1-5/8" Wide and All 1-5/8" or Taller Strut Channel… Pack of 1