This package includes 20pcs M6 x 25mm Hollow Door Anchor Set (hollow door anchors and screws), sized to fit thin wall needs. Designed for hollow core doors, shallow hollow panels (like caravan/RV walls), and thin walls, these hollow wall anchors for thin walls also work as sheet anchors and hollow metal cavity fixing hollow door anchors, meeting DIY or professional demands. Crafted from high-quality carbon steel with galvanized coating, the steel fixing anchors (hollow metal door anchors) resist rust/corrosion, durable indoors/outdoors, and their petal screw design ensures stability without damaging surfaces. Installation is easy: drill a matching hole, insert the anchor, expand the petal screw with a tool, then thread and tighten the screw. Ideal for hanging curtain rods, picture frames, etc., on hollow structures, they offer reliable long-term hold for lightweight to medium-weight installations.