Whether you are drawing just for fun, or you are doing precise diagrams, this locking compass will do the job right for you every time. Precise and accurate, this protractor wil make perfect circles ranging in size from 1/2" all the way up to 7-7/8". It will lock in place in any position to guarantee a perfect circle every time. The pencil holder adjusts to hold most standard sized pencils and pens.

6" Long

Radius 1/2" to 7- 7/8"

Carbon steel scriber

Marks perfect circles

Holds most pens/pencils

Easy to Use Top knob is to adjust angle of compass Standard pencils fit in perfectly after tightening