Description DMTFWEEE: FWEEE Double Sided Diafold Sharpener, Extra-Extra-Fine/Extra-Fine DMT Dual purpose with compact convenience, the Double Sided Diafold® Sharpener offers two 4″ x 1″ Diamond Whetstone™ surfaces in one lightweight, portable sharpener. Multi-use on blades, kitchen knives, specialty and garden tools, etc. Extra Extra-Fine Diamond (3 micron / 8000 mesh) provides the finest polished edge of all bonded diamond abrasizes. Extra-Fine diamond (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond. Fine diamond (25 micron / 600 mesh) for a razor sharp edge. Convenient size: 9 1/2″ open. 5″ closed. Folding plastic handles protect sharpener when not in use. Sharpens in a fraction of the time required by conventional stones.