Hitachi NV50AA is a professional-grade coil nailer designed for high-volume nailing applications in framing, sheathing, and fencing. With its robust construction and powerful motor, the NV50AA can drive nails up to 3-1/2 inches long into a variety of materials, including wood, metal, and concrete. The tool features a quick-loading magazine that holds up to 100 nails, and a depth-of-drive adjustment knob that allows for precise control over the depth of the nails.