PEC Double Square, 6" with 4R Graduation 

Mfg#7105-406

Features

• Idea for Precision Layout Work
• Used Either as a Parallel or Double Square
• All Blades Fully Hardened and Tempered
• High Contrast, Micro-Fine Blade Graduations
• Durable, Easy to Read Satin Chrome Finished Blades
• 4R: 8ths & 16ths, 32nds & 64ths