Guantlet PremiumIdeal for most sharpening needs, including reprofiling badly worn edges and very dull knives Star shaped holes allow the rods to be turned to expose fresh abrasive surfaces or to orient the edges of the rods for sharpening serrated edges Includes both fast cutting CBN rods and fine ceramic rods The Gauntlet is a simple, easy to use sharpening system that enables even novice users to achieve razor sharp edges in just a few minutes without electricity,