KC K-Pod Track Dolly Premium - Kessler-Crane

Set of 3 swivel track dolly trucks for the K-Pod System? on rails K-flex. Trucks work on curved or straight track ranging from 1-1/2" to 4" in diameter.
If you use this on K-Flex is suggested to use a " K-Pod 3" Idler Arm Upgrade" ( If there is a slight variance in your track, the Idler Arm allows the trucks to adjust or float in and out to the variance to keep from derailing. )