Red Plastic Premium Plug is suitable for use with all types of concrete and masonry substrate materials. It is made from HDPE and has a plug length of 34mm. It can be used with screw sizes of 6, 8 and 10mm and a drill hole diameter of 5.5mm. The drill diameter should be reduced when used in soft materials. They feature anti-rotation fins for a more secure fixing. It is ideal for use with medium and lightweight applications.