Engineered to insure a fast, safe method to restore a sharp cutting edge to dull blades, the Snap-On Carbide Knife Sharpener is a must for the kitchen, toolbox, for hunters, fishermen (and women), professionals in the trades and do-it-yourselfers. Precision crafted with tungsten carbide sharpening bits set at a 25 degree angle, this tool insures lightening fast resharpening and a durable edge. Snap-On Carbide Knife Sharpener sharpens all knife blades in 4-5 strokes. 4 inches in length, this sharpener features a protective cap, pocket clip and replaceable carbide blades.