Specifications:Length (in.): 3-1/2Screw Size: #9Drive Type: T-20 6-LobeHead Diameter (in.): 0.25Head Type: Trim HeadThread Type: Box ThreadsPoint Type: Sharp PointCoating/Material: Type 305 Stainless SteelColor: -Appx Count Per Lb: 70Packaging Quantity: 5 lb