two whetstones and steel knife, top view. grindstones. oval and rectangular double layer sharpening stone on wooden table

abrasive acuminate background bevel blade brick brown carborundum closeup cut domestic double edge emery equipment finegrained flat gray grind grinder grindstone handle hone instrument kitchenware knife lay layer new object oval polish rectangular rough sharpen sharpener sharpening steel stone straight surface table tool top two utensils view whet whetstone wood wooden