Nail-in Anchors – used for lightweight anchoring into solid masonry and hollow wall applications. The plug expands uniformly ensuring a secure fixing. It is simple to use and ideal for a variety of applications, ideal for fixing frames, metal flashins,wall angles,brackets,skirting boards,etc.Wide ranges of sizes. Removable simply by unscrewing. Also available in stainless steel nails foreusein high corrosion areas.