Sharp Knives. Zero Effort. Every Time. Life's too short for dull knives. The Orange Ninja 4-Stage Sharpener brings any blade back to life in seconds — no skill required, no mess, no fuss. Pull it through, feel the difference. 4 stages, one pass Stage 1 — Diamond coarse: rebuilds severely dull or damaged edges fast Stage 2 — Tungsten carbide: sets the bevel and removes burrs Stage 3 — Ceramic fine: hones the edge to a clean, polished finish Stage 4 — Serrated slot: restores serrated knives that most sharpeners ignore Works on Chef's knives · Paring knives · Bread knives · Steak knives · Fillet knives · Serrated blades The everyday kitchen essential Compact enough to live in your drawer. Fast enough to use before every meal. Non-slip base keeps it steady on any surface. At $29.99, it's the easiest upgrade your kitchen will ever get. Backed by over 2,100 five-star reviews.