Fiskars Axe & Knife Sharpener, Lightweight Nyglass Sharpener, Patented Ceramic Wheel Sharpens Axes & Knives At Approximately 30¡ree. Angle, Safety Guard On Tool Protects Hands & Fingers, Non-Slip Feet On Bottom Of Tool For Safe Sharpening, Pops Open For Easy Cleaning, Lifetime Warranty.