The Zwilling PROFESSIONAL 'S' 10cm Paring Knife is a versatile and essential tool for any kitchen. Its SIGMAFORGE structure ensures precision and durability as it is forged from a single piece of no-stain special formula steel. The FRIODUR ice-hardening process further enhances its robustness and flexibility, resulting in a long-lasting sharp blade that resists staining and chipping. With a hardness of 55-57 HRC Rockwell, this knife offers extreme hardness and excellent corrosion-resistance. While it is dishwasher safe, it is recommended to hand wash the knife to prevent any potential discoloration or damage to the handle caused by high heat. The Zwilling PROFESSIONAL 'S' 10cm Paring Knife is a reliable and high-quality kitchen tool that will assist you in various food preparation tasks.