Features: Suitable for fixing heavy duty items such as TV's, kitchen units, radiators, shelving, curtain poles, air conditioning units etc. to a dry lines or fibre insulated board wall, transferring the load to the masonry without affecting the plasterboard integrity Nylon plug. High carbon carbon machined steel sleeve Pack of 1 Requires 16mm drill size Drill hole to required diameter in depth and insert the plastic Rigifix expansion plug. Using an allen key, screw the threaded sleeve into the plug until the sheeve is fully home, or to the level of the plug head. Place the pozi headed set screw through your bracket/item and screw down into the Rigifix threaded sleeve.