The small whetstone from Opinel is a gadget that should not be missing in any kitchen Opinel has made the sharpening stone made of shell sandstones the ideal kitchen utensil for sharpening Thanks to the grit, the blade gets a very sharp blade within no time An indispensable tool, whether in the kitchen or in the workshop The whetstone, consisting of a quartz carbonate grain size 800-1000, becomes its reputation, one of the best whetstones for knife scissors, axes and much more. to be more than just.