Spyderco Tenacious PlainEdge Folding Pocket Knife with 3.35 Inch 8Cr13MoV BladeThe Spyderco Tenacious PlainEdge Folding Knife with Blue Titanium Handle has earned its iconic status, and this special edition takes it to new heights with solid titanium handle scales and a Reeve Integral Lock (R. I. L.) mechanism, offering unmatched strength and reliability. Game Changer The Spyderco Tenacious has earned its iconic status, and this special edition takes it to new heights with solid titanium handle scales and a Reeve Integral Lock