The Chefs Choice Exact V Sharpener is a two stage sharpening system for a double bevel, ultra sharp and durable edge. It has a precision, spring loaded, angle control guide for razor sharp edges every time! A versatile angle guide removes easily for conventional "V" type sharpening. The diamond abrasives offer fast and efficient sharpening. The base converts into a compact, lightweight and portable storage box to hold sharpening rods and angle guide. Ideal for use in the field, at camp or at home.