Review on 🔪 Efficient Twist Grinding Diameter Center Sharpener: Optimal Precision for Sharpening Processes by Aaron Ali

I'm in a hurry to order this thing. It's my fault for not thinking. I already have several other protractors and angle finders that work. In fact, an operation had to be performed on the file before it could be used. Nothing good will come of it with drill bits under 1/4 inch.