Universal Lansky Sharpening System ORMD You can employ coarse abrasiveness

You can employ coarse abrasiveness for fast material removal for dull or damaged blades

it's not likely to dry and gum up

Drill bits usually have a point angle of 118° or 130°

this is your stone

allowing the blade to hang in a horizontal balance position

Universal Lansky Sharpening System ORMD You can employ coarse abrasivenessThe Universal Lansky Sharpening System is an effective way to sharpen all your sporting, hobby, serrated, 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. Knife clamp has settings for 17, 20, 25 and 30 degree angles. Made in the USA. The Universal Lansky Sharpening System contains: Knife clamp with angle selector 4 finger grooved sharpening hones