Starrett 505A 12 ProSite Inch Dial Protractor

Prevents calculation errors when producing mitre joints or single cuts, Upside down or backwards, the reading is always correct Simply set circular saw to the angle read from the laser engraved scale for 100 Percent accuracy This product is ideal for joiner's/carpenter's, plumber's and building trades that require the measuring and transferring of angles Made from durable 1/4 inch aluminum with Teflon "O" ring for smooth and precise operation 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 durable 1/4" aluminum with Teflon "O" ring for smooth and precise operation The Pro-Site Protractor saves you time and money by simply reducing waste