Universal Uno Plug Pack of 80 Size: 36 x ∅ 10mm Rawlplug Grey Plastic Wall Plugs 10Mm Card Of 80 | App8615 The Rawlplug Uno Plugs are a truly universal plug which fixes into any wall, ceiling or floor. Suitable for use in: Concrete, brickwork, stone, blockwork, plasterboard. It has a unique design with expansion throughout the length of the plug. It expands at the top giving instant grip. Anti rotation features prevent spinning in the hole.