Lufkin 066FN Red End Flat Reading Folding Wood Rule, 6 ft L, Wood, SAE

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Lufkin 966N Red End Two Way Folding Wood Rule, 6 ft L, Wood, SAE

Crescent Lufkin 5/8in X 6' Red End Wood Rule With 6in Slide Rule Extension - TX46N

Lufkin 646LN Red End Modular Spacing Rulers, 6 Ft, Wood, 6 Scales

Lufkin 1066DN Red End Engineer's Scale Folding Wood Rule, 6 ft L, Wood, SAE

Crescent Lufkin Folding Wood Rule Red End Brick Mason's - 636LLN

EUC LUFKIN EXPANDABLE RULER NO. 066 Red End. White In Color

Lufkin 6' X 5/8"" Folding Ruler Red End 966 Two Way Left Or Right Cooper Tools

Vintage Lufkin No 646 Rugged Red End Modular Folding Ruler