Gatco Sharpeners Knife Clamp and Honing Guide. The Gatco Sharpeners Clamp and Honing Guide is larger and provides for an easier grip. The Gatco Shapeners precision angle guides provide six sharpening angles to insure perfect knife-to-stone angle for factory-exact edge including serrated edges. Also includes finger screws that adjust easily without the need of a coin or screwdriver. Specifications for Gatco Sharpeners Knife Clamp and Honing Guide: Manufacturer: Gatco Sharpeners Color: Stainless Package Contents: Gatco Sharpeners Knife Clamp and Honing Guide Gatco Sharpeners 17002: Knife Clamp and Honing Guide