Delta Automatic Knife Gray Aluminum This model of the Delta Automatic knife features a gray aluminum handle with a matte black plain edge blade. The Delta Automatic 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 InchesBlade Length: 3.75 InchesClosed Length: 4.5 InchesBlade Material: 440 Stainless Steel, Matte Black FinishBlade Thickness: 3mmSharpness & Functionality: Sharpened, Functional Blade, Straight BladeBlade Features: Razor Sharpness, Drop point Straight Edge, Blood Groove Handle Length: 4.5 InchesHandle Material: Gray Aluminum Features: Sporty deep pocket clip.