Experience the next generation of knife sharpening with The Original Tumbler Rolling Sharpener™ Set. Featuring an advanced rolling sharpening system, genuine diamond disc and a magnetic knife holder (20° and 15°), the Tumbler makes sharpening, restoring, and maintaining your knives easier than ever—no experience required. Here's what's included: Rolling Knife Sharpener Magnetic Knife Holder Premium Gift Box How to Guide