DMT DMDS-H Dia-Sharp Magna-Disc Honing Kit Long lasting - more than 50 to 1 over paper abrasive discs Extra-Fine diamond disc to polish and refine to a razor edge and 3 micron paste with fabric disc for a glossy polish edge refinement Faster grit change - 15 seconds versus 2 minutes for paper abrasive discs Maintain constant tool contact without fear of heat damage Works with Work Sharp models ws2000 and ws3000