You know the feeling – you need to hang something up, but there’s nowhere to put it. You’d like to avoid putting nails in the wall, but you still need something sturdy and durable. Why not use Master Magnetics strong magnetic hooks? They are perfect for use in the classroom, workshop, or around the house. Our Ceramic (ferrite) magnets are composed of strontium carbonate and iron oxide for many different applications. Let our ceramic hook magnetics do the lifting, and rest easy, knowing that you can count on them to hold up under pressure! Available in a convenient 7 pack to ensure you can finish your job completely without running out, or have extras, just in case. This magnetic hook has a diameter of 1.25” a height of 1.312”, and a hook length of 0.75” with opening beginning at 0.312" closing down to 0.125". Master Magnetics performs an industry standard pull force test on each magnet to ensure we are selling quality products to each and every customer. Our pull force tests are done using a force-meter and a ½ in thick steel plate; pulling the magnet upward and measuring the point at which the connection is broken is how a magnets pull force is determined. Variables such as mounting angle, surface texture, paint, and other interferences between the magnet and the desired mounting location should be taken into consideration when deciding which magnet to use. Our multi-purpose magnets offer many applications from hanging lights, wiring, tools, keys, or signs being just a few of them. They are also great for use on metal doors, shelves, tool boxes, or file cabinets, and much more! These ceramic magnets are great for indoor or outdoor use. Master Magnetics has been providing quality magnetic solutions for over 40 years. We take pride in the American jobs that we provide and our expertise in the magnetic field. To avoid imposter products, please support us by purchasing only the “Shipped and Sold by Amazon.com” offering on this listing.