WARTHOG V-SHARP A4 KNIFE SHARPENER - BRONZEMADE FOR: Perfect for home cooks, professional chefs, gardeners, hobbyists, fishermen, and hunters the Warthog V Sharp A4 delivers razor sharp results without the hassle. Forget electric sharpeners, rolling gadgets, or tedious whetstones this tool makes sharpening fast, easy, and precise. PATENTED V SHARP SYSTEM: Equipped with Warthogs patented V Sharp system, this sharpener allows precision angle adjustments at four settings 15, 20, 25, and 30 to