Applicable shelf size: length <; 60cm, width <; 15cm, height < 0.8cm. Recommended distance between two brackets: 35 cm (shelf length 50 cm); 45 cm (shelf length 60 cm). Metal Construction: The glass stand is made of zinc alloy for durability. Suitable for wet environments such as showers, bathrooms, kitchens, etc. Brushed Finish: The hand-brushed nickel finish of the Regal Wall Mount resists everyday scratching and fading (eco-friendly technology, no chemical materials). Drop-resistant: The black rubber pads on the glass clips increase friction and secure glass, wood or other edges and prevent them from falling off the shelf. Maximum load: 5 kg (11 lb). Package includes: 2 shelf brackets, 1 hardware bag (for screw mounting), 1 installation manual. After installation, the screws are invisible and beautiful. Installation is quick and easy.