High Quality MaterialsExpansion plate plugs are made of nylon material, the screw is made of metal, the thread is clear and not easy to break, good toughness, high expansion, strong bearing capacity. Easy to InstallAfter drilling the hole, insert the plaster wall anchor, insert the screw through the plaster expansion anchor and screw in the screw. Suitable for M8 opening (White/Grey), plate thickness about 8-15mm. Perfectly DesignedThe slots in the plaster dowels widen on two opposite sides as you tighten the screw, increased holding strength. Elastic wing design on both sides, easy to install, prevent further rotation, and improve stability. Dowels and Screws for Placo100 pieces of plasterboard dowels + 100 pieces of screws (White + Gray, 100 kits in total), M8 * 38 mm dowel (White / Gray). ApplicationScrews and Anchors Hollow Wall Fixings is suitable for plasterboard, decorative board, asbestos board, hollow board, etc. Good for fixing or hanging lamps, decorative objects, frames, ornaments, etc.