Smith's Adjustable Manual Knife Sharpener Sharpens a wide variety of knives; Will quickly sharpen very dull or damaged blades Two stage sharpening for standard knives (coarse and fine); Serrated blade sharpener (fixed angle) Can be used to maintain the edge on knives that are already sharp Easy adjust knob allows sharpening at a wide range of angles (14 degree/side to 24 degree/side) Replaceable abrasive components; Soft grip handle; Non-slip rubber feet