The Protool Blade Sharpener is a knife sharpener and utility tool that packs a lot of function into a well-designed, compact package. It's got replaceable carbide inserts which are a quick way to get a good edge on any knife. The rubberized grip provides ample traction when using the sharpener or tools. The Protool also features an array of allen wrench bits, a flat-head and Philips screwdriver to adjust and maintain your knives, bike, etc.