Edge Master Retractable Diamond Knife SharpenerTheEdge Master Diamond Retractable Sharpenerallows you to sharpen your knives like a professional.Thishandy toolis just the size of a pen so you can have thisclipped onto a pocket, for easy access.Just loosen the screw cap and pull thediamond rodout to the desired length and then tighten the screw cap so that the rod will not move.Perfect forsharpening for both flat or serrated edgesand also includes a groove to sharpenfish hooks.Features:Retractable diamond sharpenerIdeal for flat and serrated edgesGroove to sharpen fish hooksRetracts to 12.5cmFull length 24.5cmPocket clip on sideDiamond abrasives for quality sharpening