State Set Add-On 2-Pack Grow your Bi-Polar Scale State Set with this State Set Add-On 2-Pack! SKU: 1927670 Dimensions: Length: 19" each Gauge: O Gauge year: 2019 Minimum Radius: O54 Scale: Scale Power: Electric Manuals Find the latest manuals in our support section. Replacement Parts Buy any replacement parts in our support section. Contact Contact a service station to fix your product