Natural sharpening stone from Opinel - suitable for all Opinel-knives with a straight edge. 

The stones mined in the region of Lombardy in Italy, consist of a mix of quartz and carbonate. To prevent damage to the blade, it is necessary to moisten the stone with water before use. 

This sharpening stone measures 10 cm in length, making the perfect pocket sized natural sharpener.

Material: quartz and carbonate