Package includes: The package includes 20 hollow expansion screws, the size of these screws is M6*50MM, which can meet your needs. High quality: our hollow wall anchor is made of galvanized carbon steel, which has anti-rust and anti-corrosion functions, strong and durable, and is an indispensable tool for decoration. Installation steps: First drill a hole in the wall, then insert the hollow peg into the hole, hold the screw head with the tool, pull out the peg, and finally place the object and tighten the screw. Strong load-bearing capacity: specially heavy metal hollow gecko designed with heavy-duty screws, which can provide greater strength to bear the weight of heavy wall hangings. Wide range of applications: This wall anchor metal fixing tool kit is very suitable for fixing plasterboard, widely used in dry wall, hollow brick, plaster, ceramic tile and very suitable for hanging curtain rods, lights, picture frames, coat racks, and power switches. luckymeet