Each component of the Twin Professional S 7-piece block set is is precision forged from a single piece of German high-carbon stainless steel for durability and sturdiness that will last for generations, German stainless steel, Dishwasher safe, hand washing recommended, Set includes 4"" paring knife, 5"" serrated utility, 6"" utility knife, 8"" chef"s knife, 9"" sharpening steel, kitchen shears and a hardwood storage block, SKU: USM002