Calphalon Premier sharpening Knives stay sharp for a lifetime. The 15-piece cutlery set features a knife block integrated with SharpIN built-in ceramic sharpeners that automatically sharpen straight-edge knives with every use. Specialty knives are fully forged from high-carbon, no-stain German steel and feature a blended bolster and full tang for better balance and strength; steak knives are made from stamped, high-quality Asian steel. Improved ergonomically contoured handles allow specialty knives to fit firmly and securely in hand and are designed to reduce hand fatigue. Knife handles are also conveniently labeled for easy identification in the space-saving block with optimized knife placement that improves access to frequently used knives. This full knife set is built for taking on any cutting task with ease, from slicing to chopping to paring and more.