Redi Edge Repro400 Pro Series Sharpener, Black Produced from military-grade aluminum and hard coated for extreme durability, long life and lightweight Factory pre-set to sharpen most knife blades at a 40 degree inclusive angle to maintain a 20 degree double cutting edge Honing surface and a v-groove for sharpening fish hooks and needle points located on the bottom Stick design gives a sturdy grip Redi-Edge Caramelized coating will protect your sharpener