Made of high quality metal to ensure sturdiness and durability, nice finish. We have 3 different sizes shelf bracket, you can choose the right size to fit your need. Self installation is very easy (screws are not included in the package) Sold as a Set of 10. Suitable for decorative home/office shelves or mounting cisterns, sinks, roof supports and frames etc, and perfect to use in bathroom. Put a plank on them, can display different items, such as floral, photo frame, books, etc. a great decoration for your home. Specification:Upper size(LxWxT):70x14x4mm/2.76x0.55x0.16inch Diameter:10mm/0.39inch Pitch:42mm/1.65inch Length:72mm/2.83inch(3inch); 96mm/3.78inch(4inch);123mm/4.84inch(5inch) Package Includes: 10 Pieces Shelf Brackets Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item.