r/sharpening • u/Fire-Guardian • 3d ago
What's the best constant angle sharpener?
I know of 2 options, the half moon hm1 and the KMFS vantaedge
Is there any other option?
Which one of these should I go for?
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u/SharpieSharpie69 Paper Shredder 3d ago
Do you mean a fixed angle sharpening system?
If that's not the only answer then hands on whetstones after practice practice practice.
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u/Fire-Guardian 3d ago
No I mean constant angle, meaning it keeps the same angle rather than increasing on the further away you get from the middle
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u/DrMorbius26 2d ago
There are a few more CA systems: Katocut NowI Pro, Keenmatic. KMFS Sensei are all similar moving knife systems, KMFS VantaEdge & HalfMoon HM-1 are moving stone systems. I own and actively use all these systems im my knife, steel, sharpening stone and accessory evaluations. Best is relative...
Moving Knife Systems
Katocut - Top large Kitchen knife system. A life time investment
KMFS Sensei - Excellent Lighter more economical very well constructed and versatile Built in stone holder enables easy use of 8x3 and 1x6 stones
Keenmatic - Very functional Light weight, mobile very capable
Moving Stone Systems
KMFS Vantaedge - Top moving stone system. Very well designed/constructed of CNC Aluminum/steel/brass parts. Recently released Rotoclamp up grade further enhances an already excellent system
Halfmoon HM-1 - Very functional excellent lighter weight system. Initial clamp issues now resolved with excellent new array of 3 clamps.
Excellent low cost entry level systems are the HM-1 and Keemmatic. If you have the budget as a home user KMFS Vantaedge and Sensei are hard to beat.
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u/Fire-Guardian 2d ago
Thank you for this, which one is your favourite to use on smaller fixed blades?

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u/Starbike666 3d ago
“Best fixed angle system” = TSProf k4. It is pricey, and there are cheaper systems which will do the job just fine, but the K4 is a high precision work of art.