Drill bit gauges

• For 120° drill bit sharpening angle. 
• The drill bit edge dimension is divided into 1/2 mm from 0 to 20. 
• Stainless steel. 
Weight: 50 g.

• For 120° drill bit sharpening angle. 
• The drill bit edge dimension is divided into 1/2 mm from 0 to 20. 
• Stainless steel. 
Weight: 50 g.