Boker Plus 01BO140 Federal Knife with 3 1/4 in. 440C Stainless Steel Blade, Silver 440C stainless steel blade opens with the flipper and locks with the frame lock mechanism Titanium handle with expressive millings features two carbon inlays, enhancing the modern design Thumb notch provides added grip security Blade length: 3  in. Overall length: 8 in. Weight: 4.9 oz. Limited Lifetime Warranty 440C stainless steel blade Blade opens with flipper Frame lock mechanism Thumb notch for added grip security