Reliable and Stable Performance: package includes 4 pieces of attic ladder hinges with 32 anti slip screws, offering stability and reliable performance; Note: the painted surface may get a scratch during express transportation, it doesn't compromise the quality or functionality Galvanized Steel Material: each herringbone ladder hinge is specifically crafted from galvanized steel boost up durability, making it last longer than average ladder hinge, providing stability and security, especially while working on height; The ladder hinge also assures you of a sturdy structure despite repeated use