The Sharpening Guide is a wonderful training tool. Use the Guide to help train users how to properly angle a knife while sharpening it. Extremely easy to use and provides the ideal angle for the sharpest blades. The Guide has ceramic inserts which allows it to be durable and long lasting. The Guide is meant to be used with Chef knives 6 in. and bigger. Perfect for any chef in training or for any restaurant, cafe or catered event that wants to guarantee the best angle every time. - Black - Ceramic - Length 4 in - Width 3/4 in - Sold per each