The size measurement refers to the diameter of the bulb

The Trainz SKU for this item is P12322237

This is a Pack of Two Blair Line 225 O Scale 2-Rail 2-Lane 54" Curved Laser-Cut Wood Grade Crossings

Model Number: 43403

The Trainz SKU for this item is P12378761

MicroTrains 98002106 Z Santa Fe EMD F7B - Standard DC ProductID_11572423 The size measurement refers toThis is a MicroTrains 98002106 Z Santa Fe EMD F7B Standard DC. These powered F7 A&B units were built by EMD in 1951. After Amtrak began operation in 1971, Santa Fe reassigned some of the dual purpose F7s to freight service only. They were repainted in a blue version of the Red Warbonnet scheme. In 1977 these units were rebuilt as CF7 hoods. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Micro Trains