Download the Starrett Guide to Perfect Crown Molding for the 505A-12 Protractor

Perfect Crown Molding

Trust Starrett for Perfect Crown Molding. Every Time.

Take error-prone calculations out of the process of miter cuts. Simply set your saw to the angle that you read. Upside down or backwards, the reading is always correct.

Starrett Protractors will save time and reduce waste. This family of tools is ideal for carpenters, plumbers and all building trades that require the measuring and transforming of angles. It is also an invaluable tool for home use.

From the professional to the DIY homeowner, Starrett offers a protractor for every application.

Starrett CP505E-12 Aluminum Electronic Combination Protractor
 
Starrett 505A-12 505A-12 Aluminum Miter Protractor
 
Starrett 505P-7 Plastic Miter Protractor
CP505E-12

 
505A-12

 
505P-7
  • 12" Professional Aluminum Electronic Combination Protractor
  • Simple 3-button control
  • Direct-reading for miter and straight cuts
  • Full protractor function
  • Horizontal and vertical level vials
  • Choice of output
  • Full 360° swing
  • Includes handy step by step guide with all calculations for crown molding work
  • Spring angle presets for 38°, 45°, or 52°
  • Measures and calculates miter and bevel settings for custom angles
  • Compact with lightweight aluminum construction
  • Smooth and precise arm movement
 
  • 12" Aluminum Miter Protractor
  • Easy-to-use tool with two laser engraved scales
  • Transfers readings directly to the miter saw for miter or butt joints
  • Durable 1/4" aluminum construction
 
  • 7" Plastic Miter Protractor
  • Easy-to-use tool with two laser engraved scales
  • Transfers readings directly to the miter saw for miter or butt joints
  • Durable engineered plastic construction