Sparco Protractor - 6 inch

Professional protractor features an open center and accurate 6" ruler across the base. Sharply defined raised graduations are black-bonded in crystal-clear plastic.

• Open center allows accurate placement for consistent measurements
• Easy-to-read graduations are sharply defined to prevent reading errors
• Transparent construction lets you see writing on papers
• 6" ruler on base offers additional way to measure for consolidated use