Spyderco C165GSBBK Autonomy Knife with black G-10 handle and black H-1 steel blade. The Autonomy defines the state of the art in modern automatic knives. Developed based on the demanding mission requirements of the U.S. Coast Guard's rescue swimmers, it features a SpyderEdge rescue-style blade ground from H-1 steel - a nitrogen-based steel that is completely immune to saltwater corrosion. Its automatic opening is powered by a coil spring contained within a removable shroud that allows spring replacement without disassembling the entire knife. Its oversized firing button allows quick indexing by tactile sense and is supported by both stainless steel liners for increased lock strength. The button's spring is also integral to one of the stainless steel liners, providing increased tension and eliminating any cavities within the handle that could retain water. This feature and the knife's open construction allow it to be easily cleaned and dried, making it the ideal tool for waterborne rescue operations. The Autonomy features black G-10 scales, a non-reflective DLC (Diamond-Like Carbon) coating on the blade and all hardware, and a secondary safety to prevent unintentional operation of the firing button. Spring replacement kit is available for replacing the choil kick spring. All necessary parts and tools are included. By Spyderco.

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• Length overall: 8.62" (219mm)
• Length closed: 4.92" (125mm)
• Blade length: 3.70" (94mm)
• Cutting edge: 3.51" (89mm)
• Blade thickness: 0.114" (2.9mm)
• Blade steel: H-1
• Weight: 5.4oz (153g)
• Handle material: G-10
• Edge type: SpyderEdge