Starrett 505A 7 ProSite Protractor

Takes error-prone calculations out of meter cuts Upside down or backwards, the reading is always correct Scale shows angle for a meter joint and single cut Saves time and reduces waste Ideal for carpenters, plumbers and all building trades 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 This product is ideal for joiner's/carpenter's, plumber's and building trades that require the measuring and transferring of angles The Pro-Site Protractor saves you time and money by simply reducing waste