Knives K720 steel

Knives with K720 Steel. Böhler K720 (O2) steel is a high-quality, low-alloy carbon steel from the Austrian company Böhler-Uddeholm. It achieves high hardness (60–63 HRC) while maintaining good toughness. It is also relatively easy to sharpen even in field conditions, which is an advantage for outdoor and bushcraft knives.