P2750-EG 4 Wheel Light Duty Trolley Assembly for Use with All 1-5/8" P1000, P100

4 Wheel Light Duty Trolley Assembly ：For use with: P1000, P1001, P5000, P5001, P5500, P5501 and All 1-5/8" or Taller Strut Channel. For use withSC12-2-EG, SC12-4-EG, SC14-2-EG, SC12-10-EG, P1000, P1001, P5000, P5001, P5500, P5501 and All 1-5/8" or Taller Strut Channel.

eBay