These Diall Steel Button Hollow Wall Anchors M4 (32mm) in a pack of 10 are a reliable and permanent solution for securing fixtures in cavity walls, designed specifically for plasterboard and other hollow panel materials. Each anchor can be set using a wall anchor setting tool, ensuring a quick and secure installation. Ideal for light-duty applications in internal settings, this anchor provides a dependable hold in thin walls with a fixture depth range of 6mm to 13mm.