Zen-Wu Extra-Durable Coarse Diamond Stone

Our Extra-Durable Coarse Diamond Stone (200 grit) can be used for tool repairs and flattening water stones. The main surface features a extremely durable 200 grit diamond matrix. 12µm (< 0.5 thou) flatness tolerance. Comes in golden and black colors.

Fun fact, our oldest 200 grit stone have gone over more than 12 water stones (from full thickness down to zero) and is still being used to flatten water stones at our factory.