Introducing the latest innovation in knife sharpening the SOG Countertop Sharpener makes maintaining a razor-sharp edge effortless. To use simply place the sharpener on any smooth non-porous surface secure it with the suction feature and glide your knives through for precision sharpening. This sharpener is compatible with all SOG knives.This handy tool is made in China and weighs just 3 ounces. Its durable construction features a GRN body ensuring long-lasting performance and reliability.