Zwilling Pro Wood is a series of knives made of Friodur® steel that is double ice hardened knife steel of the highest quality. Friodur® is patented by J. A. Zwilling Henckels. The knife Series Pro Wood has a hardness on the steel at 57 HRC and has a grinding angle of 35 °. The knives have an elegant design with cut bolsters to get a safe handle made of oak for a better and more comfortable grip. The knives have a lifetime warranty on materials and workmanship. The knives are manufactured in Solingen, Germany.