Smith and Wesson SWBLOP4CP Black Ops 4 M.A.G.I.C. Assist Liner Lock 4034 Stainless Steel Blade Folding Knife. These assisted opening knives feature thumb-knobs and index finger actuators, with liner locks and safety switches designed for quick and easy single-handed opening and closing. Features: - Assisted opening knife, with thumb knob and finger accutator, liner lock and safety lock Specifications: - 3.3-Inch Honed Blade - 4.4-Inch Aluminum Handle - 4.9-Ounce - 4034 Stainless Steel