Knife steel Barents, oval type Quality stainless steel knife from Barents. 12", length approx. 30.5 cm Knives get a lot of use and it's important to take the time to make sure they're in good condition. Knives have been an important tool for centuries, and it's the knife steel that really makes the difference when it comes to sharpness and durability. Knives are used by people in many different situations. In today's society, advanced types of knife steel, such as round and oval steel, are used to achieve exceptionally sharp edges that last a long time.