Surgically Sharp Edges. The D1130 will leave a surgically sharp edge on your tools. The water creates an abrasive slurry on top of the waterstone and leaves an extremely sharp edge on chisels and knives. If you''ve never tried sharpening with waterstones before, you''ll be astounded by the results. 2-1/8 x 8-1/2 x 7/8 inch overall size.