Performance - Floating Shelf Brackets Will stay for a long period, The brackets are heavy-duty with iron and ABS plastic, durable, and Stylist. Easy Installations - Simply insert the expansion tube into the hole you drilled in the wall, tighten the end of the hexagonal column and the screw, and insert the other end into the drilled wood hole to complete the installation. The holder can bear about 45 lb/20 kg. Bearing Capacity - The load-bearing rod is a hexagonal column, it has barbs and a plastic shell, which raises the resistance very well, and does not shake smoothly. The inner metal structure also ensures the bearing capacity. Full Hidden - Reliable and sturdy structure, the innovative design creates the illusion that your shelf is floating. This allows for a huge range of designs that you can use in your kitchen, lounge, bedroom, bathroom, etc. Size: Total length is 195mm, the length of the expansion tube is 120mm / 7.7 Inch the diameter is Ø12mm, and the length of the support rod is 75mm.