Strong and Reliable - Thanks to its patented design with wings that open in the plasterboard cavity, the heavy-duty plasterboard fixings can hold Mirrors/Pictures up to 30kg (see datasheet) on any plasterboard walls of standard thickness (12.5mm - 16mm) Universal Use – Fixings are versatile and can be used on any plasterboard fitting type such as Dot & Dab (Only 7mm cavity is required), Stud Walls and even Insulated Plasterboard. The zinc plated hook is made from high-quality steel providing strength and rust resistance. The safety clip ensures that your heavy mirror or picture will not slip from the hook, providing complete reliability Everything You Need - Pack contains everything you need to mount heavy mirrors, pictures or canvases - 4 Bullfix Universal Fixings with collars, hooks and a 20mm drill bit Easy-to-use - Quick and easy to install by following 5 simple steps so you can reliably secure any heavy mirror, picture or canvas to your plasterboard wall Dependable - Never guess if a wall anchor has opened properly again! Thanks to the intuitive design, you cannot screw into a Bullfix fixing if the wings haven’t fully opened, Weight: 0.220462262 pounds, Manufacturer: Bullfix