The Cozzini Ergo Steel III is available in a coloured plastic version and provides the perfect edge in seconds - ideal for fast moving meat and food processing lines. Aligns both sides of the blade simultaneously - saving time and improving efficiency. Straightens and prolongs the edge life of hand knives - saving time and money for replacement knives. Ideal for all types of small and large knives. Totally enclosed, sanitary spring mechanisms - ensuring good hygiene. Easy maintenance and cleaning. USDA and CE approved. Molded, sanitary swing-arm stops. Sanitary guard that protects user's hand from blade edge.