Description:

These Ceramic (Ferrite) hook magnets are available in a pack of 6. Comes in a multi-color pack and single color packs.. On 1mm thick steel surface; these hooks can pin 23 sheets of A4 paper, with a sheer force rating of 5 pounds and a pull force rating of 8 pounds. At 2mm; they can pin 19 sheets, with a sheer force of 6 pounds, and a pull force of 11 pounds. At 3mm; they can pin 19 sheets, with a sheer force of 5 pounds, and a pull force of 13 pounds.. Amazingly useful magnets that are great as kitchen refrigerator magnets and a good addition to any magnetic whiteboards. Great for pinning down postcards, your kid's art, and reminder notes. Additionally, they are used to hang all sorts of things including coats, keys, and light bags! They also make great affordable gifts that your friends and family will actually use!. A magnet's performance is based on a number of variables including material, grade, size, shape, design, thickness, and the magnetic surface it will attract to. Usually, the magnetic pull is measured off of a steel surface and varying thickness of the steel may increase or decrease the magnetic pull..