471 Starrett Steel Folding Rule with Circumfernece Measurements
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471
Starrett Steel Folding Rule with Circumference
Measurement
24″
Tinsmiths and other mechanics appreciate this rule
because it measures diameters up to 24″ as well as the
equivalent circumference measurement in direct-reading
circumference inches, up to 75″ . Entirely eliminates the
need for circumference calculations . Made of fine, spring-
tempered steel and jointed at the center with two 12″
folds . Photo-engraved graduations .
| 6″ Steel Rule with Decimal Equivalents | ||
Catalog No | Width x Thickness | Graduation |
C622R-6 | 3/4″ x 3/64″ | 10R – Quick-Reading 32nds and 64ths One Side and Decimal Equivalents on Reverse Side |
| 6″ Steel Rule with Letter and Number Drill Sizes | ||
C623R-6 | 3/4″ x 3/64″ | 10R – Quick-Reading 32nds and 64ths One Side and Letter and Number Drill Sizes on Reverse Side |
| 24″ Steel Folding-Rule with Circumference Measurement | ||
471 | 3/4″ x 1/32″ | 8ths and Circumference 8ths on One Side; 16ths on Reverse Side |
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