High Speed Steel: Our standard high speed steel provides excellent cutting quality and longevity. Each knife has a T1 inlay with high tungsten content. Lasts 3x longer than standard steel.

High Speed Steel (Fassco): Fassco is a German knife manufacturer well-known in the paper industry. These knives are a higher quality high speed steel. They have a wider inlay for more sharpening's, and tempered 3x for increased durability.