Biker Chain Pocket Knife, when open, locks solidly and the spine of the blade is ridged or like a chain from a Harley, and the wavy pattern follows into the handle as well. The sharp blade on this knife is finished like a blued or gunmetal grey, which is almost black in color with a slight iridescence. A thumb stud on this Biker Chain Pocket Knife helps to open the manual blade. G10 handle grips on the Biker Chain Pocket Knife are textured or stippled for the strongest grasp. Features a steel frame. Specifications Overall Length: 7.75 Inches (open) Blade Length: 3.25 Inches Blade Material: 440 Stainless Steel Blade Thickness: 3mm Sharpness & Functionality: Very Sharp, Functional Cutter Blade Features: Drop Point, Biker Chain-like Spinal Design, Thumb Stud Closed Length: 4.45 Inches Handle: Black, G10, Crosshatched Texture, Silver Star Pins Other Features: Blade & Handle Spine Design Inspired by Motorcycle Chain Finish: Gunmetal Grey, Black, Silver