The endura 4 with flat ground plain edge is a wonderful knife that features a 3.94" blade made of vg-10 steel slip resistant jimping on the spine and a larger 13mm opening hole than delica model.Inside the handle are dual skeletonized stainless steel liners which strengthen the knife without additional weight and double as an anchor for external and internal components to attach through generating more sturdiness and rigidity.The handle is orange fiberglass reinforced nylon.Type: FolderBlade Type: Flat Ground Plain EdgeBlade Length: 3.94"Oal: 8.81"Blade Material: VG-10 Stainless SteelHandle Description: Fiberglass Reinforced Nylon OrangeSheath: Pocket ClipEdge Type: Plain (Straight)No. Of Blades: 1