Return a dull edge to fresh-from-the-factory condition with this Work SharpA(R) Precision Adjust Knife Sharpener. Tri-Brasive 3-sided sharpening surface gives you coarse to fine grit in one tool. Sharpening angle is perfectly adjustable from 15Adeg to 30Adeg in 1Adeg increments, resulting in flawless, symmetrical sharpening every time. This is the complete upgraded Work Sharp Professional model, which includes a digital angle indicator for even more precise control. As well as 7 different grits from coarse 220 down to a fine leather strop surface for an amazing finish. Flawless sharpening, to the precise angle you need Adjustable angle from 15Adeg to 30Adeg with digital angle indicator Rotate the knife 180Adeg for symmetrical bevels on both sides of your knife Tri-Brasive 3-sided sharpening rod Includes (7) abrasive grits: 220, 320, 400, 600, 800 diamond, fine ceramic, leather strop Abrasives are individually replaceable Metal V-Block Clamp for secure and repeatable knife placement Clamp stabilizer for increased stability sharpening larger knives Small knife table attachment for sharpening "pen" style knives Base with non-skid feet Ceramic rod for sharpening serrations