Sturdy & Versatile - The zinc plated hook is made of high-quality steel providing strength and rust resistance, suitable for hanging a variety of heavy framed items including pictures, paintings, mirrors, and more up to 50 kg Wide range of applications - The Bullfix hook has been designed to confidently hang objects in any room in the home or office. Can be used on any wall type (for plaster boards fixings sold separately) Plasterboard Walls - The Bullfix Hook can be used in conjunction with Bullfix Heavy Duty Plasterboard Fixings making this the ideal solution for hanging items on plasterboard walls Easy Installation - With 5 simple steps, the hook can be installed using the Bullfix Plasterboard Fixings (sold separately) for ultimate strength and reliability making it the perfect picture hook for plasterboard walls Strength - When used with the Bullfix Universal Plasterboard Fixings (sold separately), the hook can still hold up to 50kg in weight. The safety clip ensures that your heavy mirror or picture will not slip from the hook, providing complete reliability