Oregon Grinding Wheel (4-1/8" x 1/4") OR4125-14
      The high-quality grinding wheel leaves a precision finish on saw chain and work with 310-120 and other mini Oregon Grinders. For use with: Depth gauge only. 
    
      
    
  - Diameter: 4-1/8"
 - Thickness: 1/4"(6.4mm)
 - Arbor Hole: 7/8"