Never before has a sharpening system been so easy! Gatco knife clamp/angle guides insure that anyone can sharpen a knife perfectly everytime. Secure knife clamp holds blade steady, while the guide rail insures a precise honing action. Clamp/angle guide is larger, provides for easier grip. Precision angle guides provide six sharpening angles to insure perfect knife-to-stone angle for factory-exact edge including serrated edges. Finger screws adjust easily without the need of a coin or screwdriver.