While using this 30 mm White Wall Plug, drill a pilot hole into the wall and then insert it into the hole center. You can use this plug on concrete, brick, plasterboard, stone and masonry walls. The screw is tightened onto this plug in the clockwise direction to prevent the damages or cracks in the wall. Before tightening a screw, make sure that no pipe or cable is running where you intend to drill. Made up of high-grade raw materials, this plug comes in 30 mm size with the white color finish. The provided 30 mm White Wall Plug reduces drilling time during construction, maintenance and equipment installation works.