Chef's Choice Electric Diamond Hone Knife Sharpener 310 - Pre-owned- Made in U.S.A.- Edgecraft Corp., Avondale PA. Tested- works. Includes 8-page instruction booklet.

Manufacturer listed features include:

• 2 step for sharpening the entire blade of even the smallest knife - 

1) Sharpen- orbiting diamonds creates first angle on blade edge...preparing it for sharpening 

2) Honing- finer diamonds hone and polish the second angle creating an ultra sharp cutting edge

•features orbiting diamonds and magnetic guides

•use for kitchen, pocket and fillet knives