Used with CWANA Models140 and 141. Plated steel body supported from 4 nylon-tired ball-bearing equipped wheels. Snap-on nylon spacers attached to the body to help reduce noise and friction during operation. Two cord connectors are provided for attaching the carrier to the operating cord or cable of non walk-along systems. Pivoting body allows this master carrier to easily manuever curves in a track system.Carrier width: Approximately 3-1/4″.