Woodworking Square Hole Drill Bit Sharpener Mortise Chisel Bit Sharpening Tool Up to 1/2 Inch Bit Grit #220/600-2 Pack

The SCOTTCHEN PRO Woodworking Square Hole Drill Bit Sharpener has received positive reviews from customers. One customer mentioned that the sharpener was able to easily lap the exterior of the drill bit with a fine diamond plate and touch the bevel lightly with the cone, allowing them to quickly get back to work. Another customer mentioned that the sharpener made easy work of their mortising chisels. However, there was some uncertainty about using a drill motor with the sharpener. One customer mentioned that they used hand work and spent a couple of minutes with each grit to sharpen their bits and had no issues. They were unsure of what would happen if a drill was used instead. In conclusion, the SCOTTCHEN PRO Woodworking Square Hole Drill Bit Sharpener seems to be effective in sharpening drill bits and mortising chisels. However, there may be some uncertainty about using a drill motor with the sharpener.