Lionel 6-81063 O Gauge Classic Automatic Gateman (Plug-Expand-Play) Tunnel The thickest section is 1"

The thickest section is 1" (25 mm) and the thinnest section is 1/2" (12 mm)

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Part Number: 85-45415

Lionel 6-81063 O Gauge Classic Automatic Gateman (Plug-Expand-Play) Tunnel The thickest section is 1"Lionel 6 81063 O Gauge Classic Automatic Gateman (Plug Expand Play) Since the 1950's the #145 gateman has entertained both children and adults alike, and has proved to be on of the most popular accessories ever built by Lionel. In 2015 the classic gateman returns better than ever equipped with the new Plug Expand Play system, making it easier than ever to hook up, operate, and enjoy! Gateman emerges from his shed to warn motorists of passing trains