Indoor and Outdoor Use:304 stainless steel screw cup hooks they are very versatile,hang coffee mugs cup, organizing your wardrobe Belts, hats, scarves,jewelry necklaces, kitchen utensils, towels, curtains , brooms ,plants,keys,necklaces, wind chimes,birdcage and more. These heavy duty hooks not rust, not corrosion, perfect for outdoors. Hanging flower baskets, wind chimes and lanterns, chirstmas festival lights,Camping tents etc. | Feature:Ceiling Screw Hooks, does not stain or corrode,use for marine, bath and outdoor applications, firm rust-resist 304 stainless steel material made. | Easy to install : With threaded end tapping screw, you can easily screw the metal cup hook into wood, wall, ceiling. Using a pilot hole first and screwing by hand or using a screw eye in your drill. | SIZE : 30 pack 1.46 inch*0.75 inch/37mm*19mm cup hooks length can fit hang many things. | Prompt:These items contain functional sharp points, please keep it out of the reach of children and baby.