Bundle - 3 Items: Morakniv Craft Basic 511 Carbon Steel Knife, Morakniv Craft Basic 546 Stainless Steel Knife, and Morakniv Craft Robust Carbon Steel Knife Bundle - 3 Items: Morakniv Craft Basic 511 Carbon Steel Knife, Morakniv Craft Basic 546 Stainless Steel Knife, and Morakniv Craft Robust Carbon Steel Knife Morakniv Craft Basic 511 Carbon Steel Knife: Blade Thickness: 0.08 inches (2.0mm). Blade Length: 3.6 inches (91mm). Total Length: 8.11 inches (206mm). Weight: 3.9 ounces (110g). Morakniv Craft Basic 546 Stainless Steel Knife: Blade Thickness: 0.08 Morakniv Craft Robust Carbon Steel Knife: Blade Thickness: 0.125 inches (3.2mm). Blade Length: 3.6 inches (91mm). Total Length: 8.11 inches (206mm). Weight: 4.9 ounces (140g). Most of the carbon steel knife models by Mora have unfinished spines. However, this will not affect the overall performance of the knife.