From MAC Knives comes this 9-in. Chef's Knife - part of their Ultimate line. MAC 9-in. Chef's Knife The ultimate combination of high carbon steel Chrome Molybdenum Vanadium and Tungsten Carbide makes the blade harder and more durable than most other brands Resistant to rust and stains Razor-sharp straight-slicing edge and comfortable balance Strong all purpose chefs knife for the professionals and cooking enthusiast alike Hardness is between 59 and 61 degrees Rockwell C Resin impregnated wooden handle Not dishwasher safe Our reputation as the World's finest knife is based on the experiences of MAC knife owners who use our knives every day. MAC has been mentioned in "Art Culinaire" "Food & Wine" "Good Housekeeping Magazine" and are popping up in TV shows demonstrations and kitchens all over the world. Why? MAC knives will outperform all other knives. One slice and you will immediately understand how our knives meet the uncompromising standards of professional chefs around the world.