The Forgefix Plasterboard Plugs are an extremely popular, specially designed plastic fixing for plasterboard. When a screw is inserted, it pulls up and secures the plastic toggle wings against the side of the plasterboard. The plugs have specially moulded under head ribs which act as an anti-spin device. The head is rimmed, which prevents insertion beneath the substrate surface. Applications: Suitable for use in most types of hollow wall and plasterboard. Popular for fixing brackets, handrails, shelving and much more. Can be used with most types of screw. Size: 4mm.1 x Forgefix Nylon Plasterboard Plugs 4mm Forge Pack 25