Work Sharp Pocket Knife Sharpener - The Pocket Knife Sharpener is a compact, packable knife sharpener designed for sharpening on the go. The diamond sharpening plate and ceramic honing rod use built-in angle guides to create a sharp edge anytime, anywhere. Perfect knife sharpener for field, home or shop use. 20 degrees angle guide on the 320 grit diamond plate 25 degrees angle guide on the fine ceramic rod All elements are self-contained and require no set up or assembly in the field.