The magnetic hook must be combined with a metallic counterpart . A metal nano gel pad is included in the set for this purpose. The force balance between the magnetic hook and the metal nano gel pad is perfectly calibrated, so the hook is on one hand secured by the pad, but on the other hand can also be easily removed from the pad. Thanks to smart nano gel technology, the pad can be removed without residue at any time, cleaned with clear water , and reused as often as desired . This gives you maximum flexibility and allows you to attach your magnetic hook wherever you need it—without drilling, gluing, or screwing. The combination of magnetic hook and metal nano gel pad can be loaded with up to 0.5 kg .