How to use the Tumbler Diamond Rolling Knife Sharpener 

Knife sharpening has never been this easy. Sharpen, restore and repair your knife in minutes with the Tumbler Rolling Knife Sharpener.
The smartest sharpening solution for all your knives. Tumbler sharpens and hones your dull blades in minutes. A magnetic holder with 15° and 20° degree creates a perfect cutting angle and with the diamond disc you get the very best ground sharpening. To get an even sharper edge, the stainless steel disc refines your sharpening result. Shipped and assembled in USA.
For more information visit tumblerware.com
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