Vis d'expansion à enfoncerTo fix something in the wall, the expansion nail can be driven into the wall, the expansion nail is unfolded in the wall, so as to achieve a solid fixed effect. Ordinary expansion plugs are ineffective and fall off as soon as they are torn, driven in expansion screws are simple to use, firmly fixed and have a stronger load bearing capacity. MAIN FEATURES High Load bearing Capacity Made of carbon steel, high hardness, high bearing capacity, not easy to