Description Our petal nut expansion screws are designed for superior stability. The hollow metal chamber ensures a lightweight yet robust installation, making it for securing hollow doors. Crafted from stainless steel, these anchors are durable, providing long-lasting reliability. Ideal for DIY enthusiasts and professionals alike. Features -Color:Silver -Material:Carbon steel galvanized, stainless steel -Size:3.00X1.70X1.70cm/1.18X0.67X0.67in -These innovative screws are designed to expand within hollow doors, ensuring a more secure and stable hold compared to traditional screws. -The hollow metal cavity design of these screws makes them incredibly lightweight, simplifying the installation process significantly. -Engineered specifically for hollow door applications, these screws provide reliable security and peace of mind for your installations. -Constructed from stainless steel, these anchors are durable, ensuring long-lasting performance. -Available in a convenient pack of 20, these screws offer ample quantity for multiple projects, making them a versatile addition to your toolkit.Package list: 20 x Door Anchor Screws