This variation of the wildly popular Spyderco Endura features blue FRN and K390 bladesteel. Bohler K390 is a tool steel that provides the user with outstanding edge retention and toughness. While it is not a stainless steel, the performance of this steel is well worth having to do the minimal maintenance required. Specs: Overall Length: 8.78" Blade Length: 3.80" Blade Thickness: 0.118" Blade Steel: Bohler K390 Blade Grind: Full Flat Handle Material: Blue FRN Weight:3.3 ounces Pocket Clip: 4 position Lock Type: Back Lock Opener: Round Hole Country of Origin: Japan