NOS PAIR OF NORTON HARD ARKANSAS OIL STONES - △ & □

Used by mechanics and tool and die makers to impart the correct edges in their work, but could have a wide variety of sharpening applications. Made in USA.

This set includes the following Translucent Hard Arkansas oil stones:

• HF-43 □ Gray Square Abrasive File
  
  • 3 1/2" x 1/2" x 1/2"
•  HF-143 △ White Triangular Abrasive File
  • 3 1/2" x 1/4" x 1/4"