ZWILLING J.A. Henckels 38408-143 ZWILLING Pro 5.5&quot Hollow Edge Santoku Knife Kitchen Utility Knives Curved bolster encourages cutting with improved precision, safety and comfort POM handle is durable and resiliant SIGMAFORGE knife is forged from a single piece of Special Formula High-Carbon NO STAIN stainless steel Ice-hardened FRIODUR blade starts sharper, stays sharper longer, and has superior resilience Precision-honed blade and laser-controlled edge ensures ideal cutting angle for sharpness and durability