The product is a box of 50 UltraCut FBS II 8 x 90 40/25 SK R stainless steel concrete screws from Fischer. These anchor bolts have a #8 screw size, TX40 drive style, and a length of 90mm. The screws are made of stainless steel and have a head style of TX40, suitable for use in a variety of industrial and business applications. This product offers a high-quality fastening solution with a metric system of measurement, making it a reliable choice for various concrete mounting needs.