Crucible® Industries’ CPM® REX® 121® is a high-vanadium, cobalt-bearing tool steel designed to offer the greatest wear resistance, attainable hardness, and red hardness available in a high speed steel. Created to bridge the performance gap between high-alloy tool steels and carbide materials in demanding industrial applications, when applied to knife blades, it offers extreme hardness and unequalled edge retention.
Specifications
Overall Length: 7.13in 181mm
Closed Length: 4.17in 106mm
Blade Thickness: .118in 3mm
Tip Carry Position: Tip-Up
Sheath: N/A









