Spyderco Matriarch Spyder Edge Knife with Emerson Opener, Black Category name: knives Country of origin: Japan Brand name: Spyderco Blade length: 3.57 inches, Handle length: 4.98 inches 4-way Clip. Screw-together construction Skeletonized steel internal liners FRN Bi-Directional Textured handle VG-10 stainless steel fully serrated blade Emerson opening feature on blade