Shapton stones are designed to be harder, faster cutting, and denser than any other ceramic water stone on the market. Because they remove material quickly, the time required to hold an angle on the stone is reduced, making free hand sharpening much easier. Shapton water stones are made with finely-graded ceramic cutting media, which wears much more slowly than aluminum oxide and silicon carbide commonly found in other man-made water stones. These are splash-and-go stones, so no soaking is required. This results in a similar thickness of sharpening material lasting much longer. This 120x stone is the perfect place to start when quick stock removal is required for resetting the bevel on a knife or removing chips. This stone can also be used to flatten other stones when a diamond plate is not available. These stones measure 8.25” x 2.75” each.
I tried the 120 GS on a Cutco - It was the only ’beater’ around - and it generated a burr in about three strokes (freehand) - a big one! It’s way more aggressive than the 220 GS. It’s too soon to say how fast it wears,but I like it so far. It’s a black stone and more porous than the rest of the series. No soaking required. I bought the stone as soon as I tried it Seems a perfect stone for the Gizmo and freehand sharpening.