DMT FWEEE Double Sided Diafold Sharpener Extra Extra Fine/Extra Fine Model: FWEEE Tools & Home Improvement Portable, lightweight with convenient fold & go handles which enclose and protect the diamond Two sided sharpener with extra fine diamond (3 micron/8000 mesh) to provide the finest polished Sharpens knives and tools faster than conventional stones with DMT's monocrystalline diamond surface No oil is needed-sharpen dry or with water Durable construction will provide years of consistent performance and reliable service