Compatibility: For use with Multi-Sharp 2001 Universal Drill Bit and Tool Sharpener. Long Life: High-quality, silicon carbide grinding wheel extends the life of your drill bits. Easy to Install: Full replacing instructions are enclosed on the pack. Re-Sharpens: The silicon carbide replacement wheel re-sharpens masonry and SDS Plus bits. Less Effort: With sharp drill bits, expend less effort, getting the job done quicker and with more accuracy., Weight: 0.08377565956 Pounds, Manufacturer: Multi-Sharp