Shapton RockStar 10,000 Grit Sharpening Stone Boning Knives then I think this is

then I think this is a great length

This is a very lightweight knife -- the blade is thin

The abrasive is extremely consistent and dense so you have a great feel and can produce very precise and clean edges

We do NOT and have never imported or sold those cheaper 1cm thick versions of these stones

If you need an edge guard

Shapton RockStar 10,000 Grit Sharpening Stone Boning Knives then I think this isShapton's new RockStar stones cut fast, are very hard and long lasting and leave a superb edge. They're a real pleasure to use, and extremely consistent. Everyone loves Shapton Stones for their high quality and excellent performance! The abrasive is extremely consistent and dense so you have a great feel and can produce very precise and clean edges, plus these have the convenience of splash and go sharpening (do NOT soak these stones). These are