The Concrete Frame Screw TORX Compatible High-Low Thread ZYP 7.5 x 122mm Box 100 is a robust and reliable construction product, ideal for various building applications. These screws are designed with a high-low thread and TORX compatibility for enhanced performance and easier installation. They have an overall length of 122mm, making them suitable for securely fastening items to concrete frames. They come in a box of 100 pieces, ensuring you have plenty on hand for your project. Furthermore, the screws are treated with Zinc Yellow Passivate (ZYP) for added resistance to corrosion.