The Elite double hook has advanced suction technology, a stylish design, and holds up to 20kg. The Elite double hook is quick and easy to install. No drilling, no mess, no fuss. The modern square suction cup design and chrome finish will suit any room in your home. Ideal for hanging your keys, hat, or jackets, the options are endless.  Long-lasting suction| For use on porous surfaces like plaster or timber, purchase the easy-to-use Elite square mounting disc.| No drilling means this product is perfect for rental properties or when you would like to attach to delicate surfaces like glass or mirrors.| Ideal for your bathroom, kitchen, laundry, or even your caravan or boat.| Installation guide non-porous surface: Ensure the surface, rubber base is clean and dry| Press the knob tightly to release the air| Installation guide porous surface: Use adhesive mounting disc| Ensure the surface is clean and dry| Remove the backing paper press the disc firmly 3 seconds and leave the adhesive disc for 12hrs| Position the installation product on the disc and complete