From Zwilling, the Four Star 12-Piece Knife Block Set features: Made from special formula high carbon stainless steel SIGMAFORGE - Single piece, forged knife Ice-hardened FRIODUR blade stays sharper, longer Precision-honed blade and laser-controlled edge for superior sharpness Ergonomic, polypropylene handle 57 Rockwell Hardness = excellent edge retention Dishwasher safe, handwashing recommended Made in Germany Set includes: Approx. 4-inch paring Approx. 5.5-inch prep Approx. 5-inch serrated utility Approx. 8-inch chef’s Approx. 8-inch bread Approx. 4 x 4.5-inch forged steak knives kitchen shears Approx. 9-inch honing steel beechwood knife block Imported.