The 17 square head steel protractor is preferred by machinists, drafts people and mechanics for setting bevels and measuring and transferring angles.
- Made of ground stainless steel for optimum accuracy.
- Permanently etched graduations from 0 to 180 degree in opposite directions
- Adjustable protractor arm locks into desired position with knurled thumb nut
- 3-3/8 in. x 2 in. head
- 6 in. adjustable protractor arm locks into desired position with knurled thumb nut
- Square head