8 Wheel Trolley Assembly Rollers.Two Bearing Trolley Assembly.The top of The Trolley has Room for set Screws, allowing The use of a 1-5/8" high Strut Channel
KWD 4
4-Wheel Trolley Assembly Rollers.Strut Channel Rollers Trolley.for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel.
KWD 6
2-Wheel Trolley Assembly Rollers.Strut Channel Rollers Trolley.for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel(4)
KWD 5