Wusthof 8347 Classic Ikon 7 piece Knife Block Set, Black Precision-forged from a single blank of high carbon stain-free steel Full tang that is triple riveted to the handle for precise control Precision Edge Technology (PEtec) yields a blade that is 20 Percent sharper with twice the edge retention The half bolster allows for the knife to be honed and sharpened the entire length of the blade and the heel bolster provides added balance Contoured handle for comfortable fit and a more contemporary appearance