C183 W/SLC Steel Protractor with Standard Letter of Certification 66930

The Starrett C183 Steel Protractor is a highly useful and accurate tool for setting bevels, transferring angles, small squaring tasks, checking cutter clearances within certain limits, and many other applications. Includes double graduations from 0-180º in opposite directions permitting the direct reading of angles and supplementary angles.

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  • Reactangular head provides four convenient working edges
  • Back of the tool is flat for ease of use
  • Blade can be locked firmly at any angle by the lock nut
  • Satin chrome finish for ease of reading and resistance to rust


  • Blade Length (in): 6"
  • Blade Length (mm): 150mm
  • Range (Deg): 0-180

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