This hammer-in plug is designed for a simple, economical & fast installation. With integrated hammer-in stop, there is a smooth installation process. A wide range of diameters, head shapes & usage lengths offers correct fixing. Hammerfix N-S has several applications like wood substructures, wall connections, plaster profiles, cable & pipe clips. Perfect for push-through installation, it works with concrete, building brick, solid gypsum panel, and hollow blocks etc.