Honed and hand-finished by the most skilled artisans, this celebrated collection is the model of safety, ergonomics, and comfort. Thanks to their seamless transition from bolster to handle, the knives are comfortable to use for long periods of time. The bolster provides the right balance while acting as a safe finger guard. Edge angle, 15 degrees per side. 57 Rockwell Hardness for excellent edge retention. Ergonomic polypropylene handles permanently bonded for seamless accuracy and gaps. Precision-honed blade. Laser-controlled edge ensures ideal cutting angle for sharpness and durability. Ice-hardened FRIODUR blade starts sharper, stays sharper longer, and has superior resilience. SIGMAFORGE knife is forged from a single piece of solid steel.