One of the toughest chains on the market. Each chain is fabricated from special alloy steel that adds strength and abrasive resistance in all kinds of climates. Industrial chrome plating yields superior edge holding qualities. These cutters are the perfect combination of speed and durability in a variety of cutting conditions. Our chains are sharpened after the assembly process to provide the best out of box sharpness on the market. Meets ANSI low kickback requirements. Made in the USA. To sharpen this chain use Twin File Item number CC600558 (132681), File and Guide number CC600178 (132676) or our 12V sharpener number 78015PC (510951).