Spyderco Tenacious® Lightweight Black BladePre Order Proudly offering all the features and benefits that define a Spyderco knife in a budget friendly package, the Tenacious has long been the centerpiece of our Value Folder line. The Tenacious Lightweight raised the bar even further, replacing the original G 10 scales with injection molded fiberglass reinforced nylon (FRN) that reduced the knifes weight by almost 12 percent and adds the extreme grip security of Spydercos Bi Directional Texture