Swift Auto Push Button Black Blade Aluminum Handle Auto Knife This model of the Swift Push Button Black Blade and Handle Auto Knife features a purple aluminum handle with a matte black plain edge blade. The Swift Push Button Black Blade and Handle Auto Knife is a side-opening automatic that fires with authority. The handle is made from a sturdy aluminum and sports a deep carry pocket clip. There is a safety mechanism along the spine of the handle that allows you to lock the blade open or closed. Specifications: Overall Length: 8.25 InchesBlade Length: 3.5 InchesClosed Length: 5 Inches Handle Length: 5 InchesBlade Material: 440 Stainless Steel, Matte Black Finish with Cut outsBlade Thickness: 3mmSharpness & Functionality: Sharpened, Functional Blade, Straight BladeBlade Features: Razor Sharpness, Drop point Straight Edge, 3 Cut Outs Handle Material: Purple Aluminum Features: Sporty deep pocket clip.