L.S. Starrett Steel Protractors

• Double graduations from 0-180 in opposite directions permitting the direct reading of angles and supplementary angles
• The back of the tool is flat for ease of use
• The blade can be locked firmly at any angle by the lock nut
• Satin chrome finish for ease of reading and resistance to rust
• For setting bevels, transferring angles, small squaring tasks, checking cutter clearances within certain limits, and other applications