Extrema Ratio Frame Rock XXV Anniversarium is a limited edition of only 100 pieces, joining the models that Extrema Ratio has created to mark the end of its twenty-fifth year of activity.
Frame Rock XXV Anniversarium Limited Edition features a black titanium handle that offers great resistance while being very light. The integrity of the frame-lock locking system is guaranteed against wear thanks to an easily replaceable tempered steel insert. Frame Rock XXV Anniversarium has a 75 mm long, 6 mm thick spearpoint blade featuring a fuller for further lightening. The blade is made of Bohler N690 steel heat treated to a hardness of 58 HRC with a satin finish. The blade rotates on ball bearings to allow an even more fluid and confident opening. This mechanism helps the user adjust the force needed to release the blade from its closed position. The shape of the reversible clip allows to conceal the knife inside the pocket, making it undetected from the outside. The large, solid handle and well-proportioned blade enable this knife to tackle tough tasks. Frame Rock XXV Anniversarium weighs only 270 g, making it quite light for such a robust knife.
Extrema Ratio Frame Rock XXV Anniversarium Limited Edition is delivered in a weather, dust and shock resistant polypropylene IP67 certified waterproof case with pressurization valve; this includes a commemorative coin of the twenty-fifth anniversary of Extrema Ratio and a metal plate bearing the progressive number within the limited series.
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