PRODUCT DESCRIPTION Smiths 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. A fold out, tapered round, diamond coated rod is designed for sharpening serrations and small gut hooks. Unit is compact, lightweight, durable, and comes with a lanyard hole. Carbide Blades (COARSE) - Set the edge. The carbide blades provide quick edge setting capability for dull or damaged knives. These blades are designed for use on straight edges only, and are reversible and replaceable. Ceramic Stones (FINE) - Finish the edge. Ceramic stones provide a smooth, polished edge for already sharp knives and can be used on serrated or standard blades and are reversible and replaceable. Abrasives: Tapered Diamond Rod: MEDIUM (400 Grit) /Carbide Pull-Through slot: COARSE/ Ceramic Pull-Through slot: FINE (800 Grit) Sleek and slim, Smith's Pocket Pal multi-functional knife sharpener is ideal for backpackers, hikers, hunters, and fishermen who want to ensure their blades have the sharpest edge wherever they roam. FROM THE MANUFACTURER Smiths PP1 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. A fold out, tapered round, diamond coated rod is designed for sharpening serrations and small gut hooks. Unit is compact, lightweight, durable, and comes with a lanyard hole. See more