Introducing our new Model Railroad Helix Kits for HO Scale and N Scale Model Railroads New from The Model Railroad …
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Helix Kit Specifications
Helix Grades N Scale Small HelixSingle Track: 2.17%Double Track: 2.08% and 2.27%N Scale Large HelixSingle Track: 1.84%Double Track: 1.77% and …
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