Spring Assist Joking Knife Specifications Overall Length: 8.1 Inches Blade Length: 3.5 Inches Blade Material: 440 Stainless Steel Blade Thickness: 3mm Sharpness & Functionality: Sharp, Functional Blade Features: Symmetrical Blade Point Profile, Blood Groove, 5 Cutouts Handle Length: 4.5 Inches Handle: All Metal Frame, Black Finish Other Features: Easy Opening, Liner Lock Finish: Satin Black w Silver Trim