From the manufacturer: "During our 10th Anniversary year in 2004, we decided to offer the whole K.I.S.S.™ (Keep It Super Simple) line with titanium nitride finish. This titanium nitride finish makes these knives little jewels. The production coating is still very much an art, and the multicolor effect varies slightly depending on the precise coating, heating and cooling routine. The result is that each Spectra K.I.S.S. is unique, with subtle variations in the way they refract colors. In addition, titanium nitride gives the very functional benefit of exceptional corrosion resistance. All the detail hardware including the thumb stud, blade stop screw, blade pivot screw and pocket clip is plated with 24 karat gold. Comes with its original box and paperwork. 

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