CTHRU 6" Protractor Ruler SW-51

This transparent 180 protractor ruler has scales in both 1/16" and centimeter calibrations. The SW-51 also has 45 and 60 triangle cut-outs plus a French curve symbol.

Features:

• Transparent 180* protractor ruler
• 45* and 60* triangle cut outs plus French curve symbol
• Calibrated 16ths to the inch and centimeters
• Transparent plastic for easy viewing to the page
• Laminated for durability
• Perfect for all your drafting and drawing needs