To use this product, start by drilling a hole in the desired location. Make sure the hole is the appropriate size for the anchor. Once the hole is ready, insert the anchor into it. Ensure that the anchor is fully seated in the hole. Next, take the screw and begin to tighten it. As you tighten the screw, the anchor will start to expand. Continue tightening the screw until the anchor is securely fastened and fully expanded. This will ensure a strong and stable hold. This product is ideal for securing heavy items to walls and other surfaces, providing reliable support and durability. Features -Color:Golden -Material:Carbon Steel -Size:7.70X2.00X2.00cm/3.03X0.79X0.79in -Metal: the colorplated zinc finish, ensuring the screws remain and reliable over time -Ample 5pcs supply: with 5pcs in each pack, you have an ample supply of screws for various installation projects, whether or in a setting -Secure gecko expansion: the gecko expansion design offers a secure and stable hold, making these screws ideal for heavyduty applications -Efficient installation process: these screws are designed for an efficient installation process, saving you time and effort on your projects -Wide range of compatibility: these expansion screws are compatible with a wide range of wall materials, including drywall, masonry, and concrete, providing versatility for different tasks Package list: 5 x Expansion screws