Smith’s “Pocket Pal” Multi-Functional Knife Sharpener features pre-set crossed carbides and ceramic stones which provide the “Perfect Edge” every time. Carbides provide quick edge setting and the specially shaped ceramic stones are designed to give you a razor-sharp edge on either standard or serrated edges. The carbide and ceramic stones are reversible & replaceable for extended sharpening. The fold-out tapered round diamond-coated rod is designed for sharpening serrations and small gut hooks.