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The imarku Rolling Knife Sharpener is a rolling sharpener: you set the angle, lay the blade on the magnetic base and roll a diamond disc along the edge. It ships with two diamond discs and four angle settings (12, 13, 15 and 20 degrees), so it covers everything from a thin Japanese-style edge to a sturdy Western chef's knife. It suits home cooks who want a repeatable edge without learning freehand whetstone work. Against fixed-angle rod sharpeners it is more consistent and easier to hold steady; against electric sharpeners it is slower and needs your own arm, but it removes less steel per pass and gives you control over the bevel. Buyers rate it very highly, with 4.9 out of 5 from 112 ratings.
Availability unknown
Lowest price we've seen: $130.99 on Nov 3 at Target. Tracked across 1 store since Nov 3.
Buyers rate it 4.9 out of 5 across 112 ratings and describe it as an easy way to get a sharp, even edge at home. The angle settings and magnetic hold are the features most often singled out.
This is a rolling knife sharpener kit that comes with 2 diamond discs. It is set up as a sharpening kit for kitchen knives.
The kit has magnetic angle options of 12, 13, 15 and 20 degrees, so the angle can be matched to the knife.

