This is a AccuSharp Knife Sharpener known as the AccuSharp, model 060C.
The AccuSharp(R) 3-Stone Kit is equipped with six angle guides and three sharpening options to keep your knife's edge razor sharp with fine" medium" and coarse alumina-oxide stones. Angle guide has settings for 11 degree" 15 degree" 18 degree" 21 degree" 25 degree" and 30 degree angles.
Features:
Multiple angle settings
Includes three stones to keep your knife razor sharp