Shapton RockStar Sharpening Stones Grit type:4000 06") diameter body is machined

06") diameter body is machined from solid brass and includes metric cm scale markings indicating the circle diameter as the iris aperture size is adjusted by rotating one part of the body

so that the entire thickness can be used without cracking or breaking

The blade is ground at a skew angle of 30° and with a 25° Bevel

The tail vises house a 1/2" shaft dog only

and yet create quite a smooth hole with minimal blow out on the exit and entry surfaces

Shapton RockStar Sharpening Stones Grit type:4000 06") diameter body is machinedShapton RockStar stones are made with twice the thickness of the same fused alumina grades as the GlassStone HR series, but without the glass plate substrate. Like the GlassStone HR series these are designed to cut both modern tool steels and high carbon steel very quickly, but wear very slowly, so don't need to be flattened as often as traditional water stones. Unlike traditional waterstones, Shapton glass stones do not require soaking and we