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 | Lufkin 4’ Circumference Tinner's Rule
| | Product Information | Standard rule with tinners and other sheet metalworkers.
Tempered medium-weight steel.
Hole in one end for hanging.
Markings are black for easy reading.
One side upper edge marked inches to 1/16ths, Lower edge marked up to 150 circumference inches to 1/8ths.
Reverse side has formulas for calculating circumference, diameter & area.
Size tables for laying out measures and cans.
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