DeWalt Standard Nails for DCN890 Cordless Concrete Nail Gun. These nails are ideal for concrete applications and are collated in strips of 15 for rapid, repeat firing. They feature a mechanical zinc-plated finish for indoor or outdoor use. Specifications: Length: 30mm, Quantity: 1005, Head Diameter: 6.3mm, Finish: Electroplated, Fastening: On Plastic Tape, Tilt Angle: 15 Degrees, Weight: 0.46076612758 pounds.