Keep you blades incredibly sharp with the Smith's Pull-Thru Adjustable Angle Knife Blade Sharpener 50264. This Blade Sharpener from Smithsoffers unique, innovative features never used on a manual knife sharpener and functional performance unmatched by standard edge maintenance products. The Smith's 50264 Adjustable Angle Pull-Thru Knife Sharpener offers two stages of sharpening (COARSE and FINE) for all types of straight edge knives with a grind on both sides of the blade and a fixed-angle slot for sharpening serrated edge blades. This Smith's Knife Blade Sharpener will sharpen a wide variety of knives by simply adjusting the angle of the abrasive components to match the angle of the original factory grind. Just turn the dial to one of the 6 angles offered, then pull your knife through the appropriate slot(s). It's that easy! Stop messing with those difficult to use, cumbersome, and timely Precision Sharpening Kits and get the Smith's Adjustable Angle Pull-Thru Knife Sharpener.