These rimless wall plugs from Forgefix can be inserted to depths below the surface of the base material. Their sprung anti-spin fins provide a two-way lock, preventing spinning and loosening from overhead applications. Due to this precise two-way expansion, the plugs are suitable for close to edge applications. --Made from 100% nylon --Ideal for both lightweight and medium-duty fixing applications --Ideal for fixing wall lights, shelving and cupboards --Often used for satellite dish installation --Suitable for most types of threaded screws including multi-purpose, general purpose, coach screws etc --Size M8 x 40mm --Supplied bag of 100 Note: Not suitable for machine screw threads. SpecificationsTypeRimlessQuantity100SizeM8 x 40