Forgefix nylon wall plug rimmed forgefix 50rmd1050 these rimmed expansion wall plugs from forgefix rest on the surface of the base material and are particularly useful when the depth of the base material is not known sprung anti spin fins provide a two way lock preventing spinning and loosening from overhead applications due to the precise two way expansion the plugs are suitable for close to edge applications forgefix 50rmd1050 nylon wall plug rimmed m10 x 50mm bag 50