| |  | Scale Lumber Gauge Ruler Model: 1124 Size: as described Features built-in O, HO & N scales, plus 3/4" = 1" scale used by model builders and architectural model makers. Tool also has a built-in 12" ruler marked with 1/16" increments on one side, and a 30 cm ruler with 1mm increments on the other side. Made of harden plastic. | $ 5.95
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