Well-balanced sturdy knives for professionals cooks and serious cooking enthusiasts that want the best. Thick, razor-sharp, extra-hard high-carbon MAC Superior steel with durable edge that stays sharper even longer than the other MAC knives. Stain resistant, but not dishwasher safe. Hardness between 59 and 60 degrees Rockwell C°. Large comfortable laminated wooden handles that fit in the hand, with three rivets and heavy stainless steel bolsters. Important tips to the care and handling find you here.