Sharpener Knife Sharpening GuideBest for sharpening stone, whetstone sharpening angle adjustment. Description: 1. Designed to help with sharpening on a whetstone. 2. Adjusting the blade to the right angle for the best sharpening results. 3. Traditional kitchen cutlery with a blade height of more than 3/4" is recommended. Using Instruction: 1. Fix angle guide to the appropriate location of knife blade. 2. Hand hold the angle guide, ceramic part contact the surface of whetstone or diamond, make knife blade into a fixed angle, move the blade from end to end, back and forth over the sharpener by using little pressure. Caution: To avoid any accidents, the Knife Sharpening Guide should be away from children.

