Sharpness is always in reach with Henckels International Self-Sharpening Definition Knife Blocks. The self-sharpening slots boast built-in ceramic honing wheels that automatically sharpen when knives are stored or removed. The remaining slots are for serrated knives, whose toothed blades never need sharpening.With these must-have knife blocks, enjoy effortless sharpness for precise prep work every time. Plus, their handsome stained ash wood base and stainless steel cap add aesthetic appeal to your countertop.Tailor-made for J.a. Henckels International Definition knives, these blocks help you maintain the superior sharpness of their fine edge, precision-honed blades. With a seamless transition from blade to handle, the knives' single-piece, precision-stamped blade construction provides durability, while their traditional triple-rivet handle encourages tireless cutting.