Kikuichi’s Semi-Stainless series holds a fantastic edge. Professional chefs love a carbon steel blade edge and this this proprietary steel has a high carbon content which means it performs like a carbon steel blade. It won’t rust like a carbon blade, but will patina. It’s recommended to cultivate the patina. Strong and substantial without feeling heavy this blade takes a fine grained edge and holds it well. A petty knife is a basic utility knife slightly larger than a pairing knife. Typically petty and utility knives are used on a cutting board as opposed to a paring knife which does better when operated in your hand. They are great for intricate, delicate and light work.