The Calphalon Contemporary Self-Sharpening 20-Piece Cutlery Set with SharpIN™ Technology features a block with built-in sharpeners that automatically sharpen straight edge knives with every use. Knives are crafted from premium materials with a fully forged blade, bolster and tang, and use high-carbon, no-stain German steel for life-long durability. Contoured handles are comfortably balanced and labeled on the end so you can pull the correct knife out of the block every time. Gender: unisex.