Prevents calculation errors when producing mitre joints or single cuts. Upside down or backwards, the reading is always correct;Simply set your circular saw to the angle read from the laser engraved scale for 100% accuracy;Made from hardened plastic with the same smooth and precise operation as the Aluminium models;This product is ideal for joiner's/carpenter's, plumber's and building trades that require the measuring and transferring of angles;The Pro-SiteTM Protractor saves you time and money by simply reducing waste

• Starrett 505P 7-inch Plastic Pro-Site Protractor

Starrett 505P 7-inch Plastic Pro-Site ProtractorThe L. S. Starrett Company Ltd