Naniwa S1-490 Super Stone Water Stone, 10000 Grit

A synthetic water stone, the Naniwa 10000 grit is one of the highest rated finishing stones on the market. Consistent results, and mirror-polished smooth shaves. Stones should be lapped before first use!

With a 10,000 grit Naniwa superstone, you can maintain all of your straight razors with ease - just do 10 strokes or so a month with only water and very little pressure, and your razor will stay sharp for as long as you're around!