A spare whetstone set for the Tojiro Pro double rolling sharpener, from the Japanese maker with over 60 years of knife-making experience. Swap in these replacement stones when the originals wear down to keep the roller sharpener cutting like new.

• Type: Replacement whetstone set
• Compatible with: Tojiro Pro double rolling sharpener
• Model: F-411
• Maker: Tojiro, made in Japan