No tools needed, no damage to your decorative wall, adjustment to the length you need within the expandable range, then extend the suitable length, next tighten the screw, finally adjust fine-tuning feet, shake the product and confirm that it is fixed, just select strong sides ,such as tiles, walls, wardrobes, etc.Suitable for wardrobe, cupboard, bathroom, kitchen, living room, above washing machine, above refrigerator, bookcase, utility rooms, garages, etc.Saving more space to storage the items, it can be used as shoe rack, bookshelf, clothes rods and use it to put clothes, scarves, belts, plants flower pot, shoes, books and so on.