The product is a package of nails specifically designed for use with the HILTI GX3/GX120/GX100 system. These nails come in various lengths ranging from 1/2 inch to 1-1/2inches, with a flat head style for optimal performance. Measured in inches, these concrete nails are ideal for various home improvement and building projects requiring a reliable and strong fastening solution. My Depot Supply is a trusted brand known for producing high-quality construction materials, making these nails a dependable choice for professional and DIY use alike.