PRODUCT: Universal contract wallplug (Size: 7 mm) and screws - Jar of 700, provides excellent expansion and maximum adhesion. MUST HAVE: Simple, high quality and effective light fixing from the British Based, Oldest Plugs Manufacturer in the World. Must have for each individual and cotractor. SUITABLE FOR: Most materials including concrete, masonry, stone, blocks, plasterboard. UNIVERSAL: The plugs can be used for walls, ceilings, floors, both hollow, porous and solid materials. ADVANTAGES: They expand at the top giving instant grip | Anti-rotation features prevent spinning in the hole., Manufacturer: Rawlplug