Tormeks Edge Marker is a permanent high-quality marker with a chisel tip. That makes it easy to colour the bevel when you want to find and repeat an existing edge angle of your knife. This makes the sharpening faster and you don't remove more steel than necessary – and your knives lasts longer.
Here's how to use the marker to set your sharpening to the existing angle of the blade:
The Tormek Edge Marker is alcohol based and has a chisel tip with a width of 1-4,6 mm.