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Products > Precision > Layout     All Starrett products

Double Square, 4" 4R, Starrett

         Made in United States
Double Square, 4" 4R, Starrett
Part Number: 3559
Weight: 0.23 lb

Price: $65.00

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  • Starrett 4" double square with graduated blade
  • 4R Graduation – 8ths, 16ths, 32nds, 64ths
  • Popular with machinists, toolmakers, and patternmakers

Description

The sliding blade is adjustable making it more practical for a wide variety of uses than a common square with fixed blade. The faces of the head are ground square.

Starrett catalog number 13A.

Chris' Tips

Chris Chris' Tips
When using a precision rule for very close accuracy, the eye can read better by measuring between two lines than from the end of the rule to a line.  

Here is how to use a steel rule.

 

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