4in1 Knife Sharpener — Fast, simple, reliable blade care Key benefits Restores cutting performance quickly: coarse, medium, and fine slots , sharpen, and polish blades so knives cut like . Solves blade compatibility problems: includes a dedicated serrated slot so both straight and serrated edges get correct treatment. Saves time and effort: ergonomic handle and guided slots let you sharpen with simple pullthrough motions — no backandforth pushing required. Works for and older blades: suitable for worn or lightly dulled knives, extending usable life without professional tools. What it does (functions) Coarse slot: straightens bent edges and repairs dull or nicked blades. Medium slot: reestablishes a cutting edge for everyday use. Fine slot: polishes and refines the edge for smoother, longerlasting sharpness. Serrated slot: restores serrated knives without damaging the scalloped edge. Compatibility and performance Compatible with a wide range of knives: kitchen knives, chef's knives, paring knives, serrated knives, filet knives, pocket knives, and both old and blades. Designed for consistent, repeatable results using a guided pullthrough system that controls angle and pressure for safer, more effective sharpening. Ergonomic handle accommodates left and righthanded users for steady, comfortable operation. How to use 1. Hold the sharpener by the handle with a stable grip. 2. Place the blade tipdown in the appropriate slot (coarse, medium, fine, or serrated). 3. Pull the blade through the slot from heel to tip with light, even pressure. Repeat until desired sharpness is achieved. No pushing back and forth is . Practical use scenarios Home kitchen prep: Quickly sharpen a chef's or paring knife before dinner prep to reduce cutting time and improve safety. Bread and specialty knives: Restore a serrated bread knife or filet knife without altering the serrations. Onthego or utility use: Sharpen pocket knives or older blades at home, at a campsite, or in the workshop to keep tools ready for use. Why choose this sharpener Four dedicated slots cover the full sharpening process from to polishing and include serrated blades. Simple, controlled operation provides consistent edge results for a broad range of knives. Ergonomic design supports both left and righthanded users for fast, efficient sharpening. Includes: 4 sharpening slots (coarse, medium, fine, serrated) and ergonomic handle.