The Ultra Knife Sharpener is the complete solution for all your Bubba sharpening needs. Easily and effortlessly sharpen any knife or hook—no matter the condition or skill set. The locking system adjusts from 19 to 26 degrees on either a medium 400 grit stone to a fine 600 grit. The Bubba Atlus bridges the gap between a novice knife sharpener to an experienced commercial sharpener with no effort. An included hook sharpener makes this a must-have on your fishing expeditions!