Mkats Wall Plugs features a sturdy nylon construction It comes with 2-way expansion and is suitable for quick fixings with low loads in concrete and solid masonry The Hammer-in Stop prevents premature spreading These nylon plugs are particularly suitable for through fastening, even with pre-assembled screws It is easy to fix and can be installed on any surface It is weather-resistant and water-resistant Temperature resistant from -40°C to +80°C