Lanky Sharpening System It's the most effective way to sharpen all your sporting, hobbe and household knives. The patented Lansky System makes it easy for you to get the consistent angle you need for a professional edge on every knife. Contains: knife clamp with angle selector, 3 finger-grooved sharpening hones, 3 guide rods, specially formulated honing oil, custom-molded storage/travel case.