Our expansion screws, designed in a petal lantern shape, are great for securing hollow doors and metal cavities. These hollow door anchors are ideal for RV wall installations, providing a sturdy and reliable hold. To use, simply drill a hole, insert the anchor, and tighten the screw. The petal nut expands, ensuring a firm grip within the hollow space, making it suitable for various DIY projects. Features -Color:Silver -Material:Iron -Size:2.80X1.20X1.20cm/1.10X0.47X0.47in -Design: the airplanestyle petal lantern design is unique and stylish, making it a standout choice for various applications. -Durability: made with czech hollow rivet screws, these fasteners are robust and , ensuring a secure hold. -Convenience: the petal nuts are designed for easy installation and removal, saving you time and effort. -Versatility: comes in a pack of 10pcs, catering to a wide range of needs, from home decor to diy projects. -Multipurpose: these fasteners are suitable for multiple uses, including home decoration and diy crafts, making them highly versatile. Package list: expansion petal screws