Frosts Mora stainless blade knives are hardened to Rockwell RC 57, carbon steel blades are hardened to Rockwell RC 59-60. Triflex Steel used in the Frosts Craftsman 780 has the properties of a laminated carbon steel hardened to Rockwell 59-60 with a softer outer surface, which improves tensile strength

Frosts Mora Knives Craftsman 780 Knife Triflex Steel Knife £14.99	Frosts Mora Knives Clipper 840 Knife Carbon Steel Knife £13.99
Frosts Mora Knives Clipper 860M Knife Stainless Steel Knife £12.99