The Chef's Choice 464 Pronto Manual Diamond Hone Sharpener is the fastest two-stage manual sharpener. Its compact design and razor-sharp performance make it one the best values available on the market today. Quiet and easy to use, this sharpener takes all of the guess work out of knife sharpening. A soft-touch ergonomic handle offers a secure yet comfortable grip that keeps your hands fresh so you can quickly move from sharpening to dicing, chopping and slicing with ease and strength. Precise bevel angle control for a 20 degree edge. - Precise bevel angle control for a 20 degree edge - 100 percent diamond abrasives in Stages 1 and 2 - “Soft Touch” handle for an easy and secure grip - For sharpening straight edge and serrated knives - CrissCross sharpening technology used