The AccuSharp Knife Sharpener features diamond-honed tungsten carbide blades sharpening knives to razor-sharp condition in seconds. Designed with ergonomic handle whilst the reversible blades provide double life, this sharpener delivers quick effective sharpening. The tungsten carbide blades restore edges in just a few strokes whilst the compact design fits easily in drawers or hangs on hooks, and the American-made construction ensures quality whilst the simple pull-through design sharpens straight and serrated knives for kitchen, fishing, hunting, and outdoor use with professional results requiring no oil or water.AccuSharp Knife Sharpener – Diamond-Honed Tungsten Carbide Knife Sharpener Diamond-Honed Tungsten Carbide – American-made blades of hardest-known materials whilst the reversible design doubles blade life providing years of reliable sharpening performance Quick Sharpening – restores razor-sharp edges in seconds with just a few strokes whilst the pull-through design requires no special skills or techniques Ergonomic Compact Design – comfortable handle for secure grip whilst the compact size fits in drawers or hangs on hooks for convenient storage Versatile Applications – sharpens straight and serrated knives whilst suitable for kitchen, fishing, hunting, outdoor use requiring no oil or water