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The Spyderco Efficient knife (C216GPBNBK) features a brown handle and a tactical black blade, in addition to Spyderco's typical high performance features, such as the Trademark Round Hole for fast one-handed opening. The overall length of the Efficient is 7.04" (179 mm) and the knife weighs 4.1 oz. (116 g).

The drop point blade is precision machined from 8Cr13MoV stainless steel with a black finish and measures 2.98" (76 mm). The blade has a broad profile with a full flat grind and plain edge. An index finger groove sits at the base of the blade's edge to provide a comfortable forward grip for enhanced control during precision cutting applications.

The handle is built on a framework of stainless steel liners and a back space with textured G-10 coating in olive green. The Efficient has a liner lock to keep the blade securely in place when open, plus a reversible clip and a lined lanyard hole.