Man made MEDIUM sharpening stone. Has proprietary composition with 'diamond like' particles. Soft bond and the first grade which will slurry. Used after shaping (if required) and before FINISHING stones. 205 x 70 x 34mm.
The square shank of the screw can be engaged in the handle for initial winding on of the workpiece. Heavy duty, Austrian made from one of the world's famed regions of figure carving.