Designed for optimal edge retention, the Calphalon Precision Self-Sharpening 15-pc. Cutlery Set features SharpIN™ Technology. Knife blocks have integrated ceramic sharpeners that ensure knives are sharpened every time you pull them out. With Precision Self-Sharpening Cutlery, you can expect exceptional performance with every use. Knives are fully forged from high-carbon, no-stain German steel and feature a full tang for better balance and strength. Bar-riveted handles are conveniently labeled on the end for easy identification in the block. Knife sets include a full selection of knives for every culinary purpose, whether you're chopping, slicing, mincing or dicing.