Sharpening stone is a material item in Valheim. Its in-game item ID is SharpeningStone, which you can drop into the console with spawn SharpeningStone to give yourself one — append a number like spawn SharpeningStone 50 to spawn a stack. A whetstone wheel ready to spin. The spawn command requires cheats — enable them with devcommands after opening the console.
Spawns one Sharpening stone at your location.
Spawns one Sharpening stone at your location.
Spawns five Sharpening stone at your location.
Spawns twenty Sharpening stone at your location.
A whetstone wheel ready to spin.
Sharpening stone is a Black Forest workbench upgrade material listed in Item drop. It is paired with the Tanning rack and Adze to increase Workbench crafting level.