No traces, no punching, easy installation: It can be installed in four steps. The first step is to dry the wall and keep it clean and dry. The second step is to tear off the protective film at the suction cup and attach it to the wall. superior. The third step is to press the suction cup and squeeze out the air. The fourth step is to turn the base clockwise to lock the suction cup. Once the installation is complete, let it sit for ten hours before placing the shower. Wide range of applications, glass, marble, ceramic tile, shiny metal, plastic, wood grain, plus or minus 1MM texture Five advantages: The four-point national standard interface is suitable for showers of different sizes. Waterproof, moisture-proof and frost-proof, the bottom of the suction cup is equipped with a new type of composite sticker, which has a high degree of tightness. The real material has longer durability, and the durability within 3kg is more than 1 year. Environmental protection PUE composite material, environmental protection PUE composite material. Shower hole distance: galvanization: 65*55mm. Drawing: 65*55mm. Please note that this product does not come with a hose or plumber's tape, it is just a holder for the handheld showerhead.