The crank hook can be sucked on smooth and non-porous surfaces, such as glass, windows, tiles, mirrors, metal, artificial granite, stainless steel and plastic surfaces. Unequal, rough or porous surfaces (such as wood, natural granite, natural marble, curved surfaces and whitewashed walls) are impossible. This crochet pendant is made of high quality SUS 304 stainless steel and the suction cup is PVC. The brushed stainless steel surface prevents corrosion and rust. The maximum weight is 5 kg. It is economical, practical, modern, moisture-watertight, waterproof, removable and reusable. Strong suction, not easy to slip. The price is cheap, no drilling or screws are needed. You can install and disassemble manually to embellish the kitchen and the bathroom. Size: 6.5 x 6.5 x 5.5 cm, hook thickness: 16 mm. Suitable for towels, bathrobes, bath balls, body brushes, clothes, hats, keys, bags, jackets, etc. Stainless steel suction hook Product specifications Material: Stainless steel Model: YB2172SA Diameter of the base of the suction cup: 65 mm Crochet thickness: 16 mm Maximum load: 5 kg Surface treatment: Trolling treatment Installation method: Suction cup Weight of the package: 0.18 kg packing size: 90 90 70mm Delivery Contents: Stainless Steel Suction Crochet * 2 Super Powerful Suction Hook The Flexible Rubber Layer 2 mm thick is combined with high quality PVC. Even the filling of 1 to 2 mm on uneven surfaces is easier, more flexible and maintains a pushed emptiness. The adhesive leaves no trace because it is not a liquid adhesive. The inside of the high plasticity rubber prevents break during rotation and lock, and will not be damaged even if it is delivered in place several times or after a long period.