C183 Starrett Steel Protractor 6* (0-180deg) with Rectangular Head

This is a highly useful and accurate tool for setting bevels,
transferring angles, small squaring tasks, checking cutter
clearances within certain limits, and many other applications.
Double graduations from 0-180º 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