Description of πͺ Efficient Twist Grinding Diameter Center Sharpener: Optimal Precision for Sharpening Processes
Twist Drill Angle Gauge Grinding Drill Bits Diameter Center Gauge Sharping Tools. Drill bit angle gauge for measuring drill bit 118 degree. Made of stainless steel, not easy to rust and bend. Laser engraving,easy to read. Pocket size,easy to carry.
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.