Helix Locking Compass & Protractor Set-Red

$4.89

Helix Protractor & Compass Set Locking compass; Set includes inch and metric markings; Safety Point; 5 Assorted colors. A protractor is a measuring instrument for measuring angles. Most protractors measure angles in degrees (°). Most protractors are divided into 180 equal parts. They are used for a variety of mechanical and engineering-related applications, but perhaps the most common use is in geometry lessons in schools.