SKTREX Cable Trolley for Electric Hoist Cable,C Track Rail Festoon Cable Trolley System for Electric Crane and Electric Hoist for Unistrut 1-5/8" Wide and All 1-5/8" or Taller Strut Channel 2 PCS:
Cescaphe Trolley | Transportation - The Knot
KH Industries FTCT-TCFL Festoon Intermediate Trolley Car for C-Track Flat Cable: Festoon Kits: Amazon.com: Industrial & Scientific