A double-sided combination whetstone from Tojiro, the Japanese maker with over 60 years of knife-making experience. The #1000 side handles everyday sharpening and edge repair, then flip to the #3000 side to refine the edge to a keen working polish — a complete two-stage routine on one stone.

• Type: Combination whetstone
• Grit: #1000 (medium) / #3000 (fine)
• Use: Everyday sharpening and edge refinement
• Model: F-433
• Maker: Tojiro, made in Japan