【High Quality】Hollow wall anchors made of high quality galvanized carbon steel are rust proof corrosion resistant high strength and durable,ideal for firmly fixing heavy objects to the soft surface partitions 【Size】M4 x 38mm provides strong load carrying capacity and security 【Easy to install】Easy to handle,spring folded connection with large wall thickness,you only need to drill suitable holes in the substrate and insert the hollow wall anchor into the holes to complete the installation 【Feature】Plated white zinc with high resistance to oxidation and high hardness without deformation reinforced anchor wings provide maximum load bearing capacity 【Wide Application】Hollow wall anchors are designed for thin walled or hollow walls and are ideal for hanging curtain rods lamps picture frames coat racks power switches etc, Weight: 0.4850169764 pounds, Manufacturer: HREDZEO