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- Standard Sharpener
- Standard Sharpener
- Duplex Sharpener
- Duplex Sharpener
- Standard Sharpener
- Professional Sharpener
- Professional Sharpener
- Duplex Sharpener
Duplex Sharpener instructions
Sharpen dull blades - with the Duplex Sharpener you get a perfect sharpening and sharpening result.
- easy to use
- no pressure necessary
- forms no burr on the blade
- cutting edges reamin sharper for longer
- can be used by both right and left handed people
Grinding
Use the flat side of the diamond grinder to grind the ground cutting edges at the specified degree (15 - 30°) in a circular motion (as with a whetstone).
Maintenance: clean dirty diamond grinder with water and some scouring powder.
Sharpening
Then sharpen the cutting edges with one edge of the sharpening part a few times without much pressure at the specified angle - analogous to Standard and Professional model. Always work from the handle towards the tip of the blade. Pull off scissors only on the sharpened side.
Sharpening ceramic knives
The istor Duplex Swiss Sharpener® is the only sharpener capable of sharpening ceramic knives as well. Please see the video "sharpening ceramic knives".
Application videos
iSTOR Swiss Sharpener
ISTOR AG
Juchstrasse 27
8500 Frauenfeld · Switzerland
Tel +41 52 722 14 66
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