Mini Screwdriver Sharpener
Overall Length: 5cm
On 2 roller bearings and micro screw driver clamped, it is easy to sharpen both sides to your requirement by rolling back and forth on a flat diamond shim. Can also sharpen awl and any pointed tool. Ideal to restore watch makers mini screw driver. Ensure angle is correctly set before commence roll sharpening on a flat stone preferably on a diamond whetstone.