Usage Tips: Material: high-strength plastic expansion tube, wear-resistant and not easy to age. Zinc-plated self-tapping screws, the surface is galvanized to prevent rust and corrosion. Butterfly Wall Plugs Design: butterfly plasterboard fixings have a unique design. When applied to hollow slab walls, a unique triangle is formed on the back, and anti-rotation design can hold objects firmly, safe and reliable. Stable Performance: Our plasterboard wall plugs have strong insulation, are not easy to age, and are not easy to fall off. The maximum load-bearing capacity of a single plug is 8KG, which can provide stronger and more durable fixation for door and window frames. Easy to InstallYou only need to drill an 8mm-9mm hole on the hollow wall, then insert the plastic expansion tube into the hole, and then tighten it with screws. It can be installed, disassembled, and reused with simple drilling. Wide ApplicationPlasterboard Wall plugs can be used to install curtain box lamps on plasterboard, benzene board, hollow board and other walls, and can also be used to fix photos, posters, and other artwork on the wall. Material:plastic, galvanized metal Colorgrey Quantity50 Set TypeButterfly wall plugs