A handy knife sharpener that is compact and budget friendly *all our sharpeners are suitable for uk circuits and socketsthere are not many knife sharpeners about that are practical and effective, but the chef'schoice two stage sharpener model 312 is a compact and budget friendly sharpener that applies reliable edges using diamond abrasives in both stages. Designed to quickly and easily straighten straight edge bladed knives, this 2-stage sharpener will sharpen and hone the sharp steel blade.