🔹Tightening the screw allows the butterfly-shaped expansion arm to provide support.
🔹Securely fastens loose or worn old screw holes.
🔹Thick metal material provides heavy load bearing capacity and prevents slippage.
🔹Suitable for plasterboard, wood, and tile walls.
🔹The screw grips the expansion arm tightly, ensuring smooth installation and preventing thread slippage.