ProtractorsA Mathey Dearman Protractor is the perfect tool to determine/set bevels, transfer angles, and measure the squareness of one surface to another. The Mini (DXX250) and Small (DK239) Protractors are made of stainless steel. The Large Protractor (DK100) is made of aluminum for easy handling. Protractor blades can be locked in place at specific angles and the heads have dual graduations from 0° to 180° in both directions.


  • The Mini Protractor variety of applications including measuring bevel angle.
  • The Small Protractor is an excellent tool for sheet metal layout, checking squareness of pipe ends up to 17" (432 mm) diameter and can be used to check smaller pipe miter angles 0º to 90º.
  • The Large Protractor will measure squareness of pipe ends up to 40" (1016 mm) diameter or can be used to check large pipe miter angles up to 180º.


Model Description
Mini Stainless Steel Protractor
DK239 Small Stainless Steel Protractor
DK100 Large Aluminum Protractor