Heavy Duty Waterproof Seamless Screw for Kitchen Bathroom HEAVY DUTY - Solid, reliable, waterproof and oilproof, heavy duty can burden high gravity, great bearing up to 13 lbs/6 kgs SUITABLE FOR WALLS - Works on a variety of surfaces, like metal surface,tile, ceramic,wood,except painted and paper wall. Hanging Heavy Duty item and Easy Install Easy to clean and reposition without surface damage.Wipe up and dry wall, and peel off the cover starting from the bulge, then press the hook on smooth surface for minutes. Adhesive Wall Screws Hanging Nails - Non-Trace No Drilling Transparent Wall Hook Base on testing and strict standards, we strong recommend you to use our product as stated. It’s ridiculous and irresponsible that someone claim this nails can withstand the weight of one adult people or even up to 10 kgs