Ferrite lock magnets, also known as ceramic magnets have high coercivity, which makes them difficult to demagnetize. Ideal for anyone that needs a sturdy magnet. They have multiple uses, including – Fridge Magnets; Art Applications; Craft / Do It Yourself Projects; Office Use; Magnetic clasps – jewellery , packaging , accessories; Children’s magnetic building sets (and other magnet toys); Closing mechanism for sport equipment; Hanging Artwork; Crafts; Hobbies and model making; Jewellery