Reference
Charts and tools
Tables made to be printed and kept within reach, plus tools that do the arithmetic for you.
- Steel chart: hardness, care and rustPick a steel or a knife series and see its hardness, whether it rusts, how much care it needs and how it sharpens. Compare up to three.
- Sharpening angle finderGet the factory edge angle for your brand, or enter any angle and your blade height to see how high to lift the spine, in millimeters and in stacked US coins.