J1912BKC CJRB Feldspar Linerlock BlackThe J1912BKC Feldspar is a mid size linerlock folder built around D2 tool steel, a high carbon choice favored for edge retention and ease of sharpening in the field. The 3. 5" stonewash blade pairs practical geometry with a finish that hides wear, while ceramic ball bearings ensure smooth, reliable deployment via thumb stud. Black G10 handles and a deep carry pocket clip make this a straightforward EDC platform that prioritizes steel quality and