Sterling 582 Professional Half Circle 6" Protractor Made in USA

SI Manufacturing Professional Half Circle 6" Protractor

Accurate Ball Bearing Compass and Protractor Combo for Students & Professionals

Vintage Sterling Compass No 577 Drafting Tool Lot Protractor #582 Borden Carded

Compass and Protractor Set, Professional Drawing Compass Tool, Metal Compass ...

Vintage (1991) Sanford Sterling 6" Protractor with Full 6" Ruler #582 - New