Eze-Lap Eze-Fold Double Sided Diamond Folding Pocket SharpenerKeep your blades razor sharp with this handy folding diamond sharpener. Its double sided surface makes quick work of dull edges while you are out in the field. The clever butterfly handle design protects the diamond surface and fits perfectly in your pocket. You will never have to struggle with a blunt knife again thanks to this portable sharpening powerhouse. Abrasive Material Industrial Diamond Handle Style Folding Butterfly Handle Grit Options Fine