Description: Lansky Pocket Sized Crock Stick Knife Sharpeners offer the knife sharpening ability of alumina ceramic in a convenient key chain sized package. The Crock Stick Multi-Sharpener is a versatile super compact knife sharpener. The triangular shape of the alumina ceramic rod is just right for putting an edge on straight edge knives serrated edge knives and pointed objects. Use the flat areas for straight edges use the corners for serrations and use the groove for pointed objects! This handy little knife sharpener has colorful guide guards to help protect from breakage (color may vary from illustration) and a handy key chain attachment.