7 pc. kitchen knife set. The Compendio blades are made using a mix of Carbon Steel & Stainless Steel and then finished with Black Lucite Handles. 7pc Set includes a black lucite knife block for knife storage. The new blade technology allows for a lighter blade than a forged knife while still offering exceptional performance. The unique convex shape of the blade allows for the edge to remain sharper for a longer period of time. A unique glass bead blasting process gives the Compendio Berti knives a satin matte finish and a beautiful contemporary look. This is Berti's newest blade technology that still delivers high performance for discerning customers while allowing for a unique and modern new look.