EAI Genuine Twin Slot Shelving System offer a strong, flexible, economic, and quick way to create shelving systems in a wide variety of applications. Uprights are fixed directly to the wall and feature twin slots at 32mm increments for locating brackets into. Uprights can be butted up to each other to create longer lengths if required. The brackets can be positioned at varying heights on the upright to create rows of shelving to suit your intended use. The system is also commonly used for book shelving in libraries both at home and in educational environments as the system is cost effective it also enables shelving to be created in domestic applications such as garages, workshops, and sheds. Manufactured from strong steel construction to prevent splitting or bending when under load. Steel Finish: Black Powder Coating. Recommended screw gauge: 5.0 (metric) 10 (imperial) Fixings Type: Not included - Order your fixings separately to suit your wall type structure and intended weight loading