General description Includes 100 butterfly plasterboard anchors, 100 flat concrete hollow block anchors, and 200 screws, totaling 400 pieces. These anchors are essential installation tools for various applications, meeting diverse needs in daily life. Technical specifications Item number: plasterboard dowels with screws Material: plastic + metal Color: gray, white Number of pieces: 400 (200 dowels + 200 screws) High load-bearing capacity and good corrosion resistance in high temperatures, cold, and high humidity Installation Suitable for materials with openings from 8 to 10 mm Installation is completed in one simple step, ensuring high stability When tightening the screws, the wings of the anchors expand, preventing peeling and increasing fastening force Usage Ideal for plasterboard walls, hollow walls, drywall, hollow ceilings, and concrete Can be used with solid porous tiles, natural stone, and other materials