Rubbermaid FastTrack Upright, Hardware, 70", White (FG3Q7500WHT) Position Uprights at a maximum 36-in. Apart; 24-in. Apart is recommended for best results Heavy-duty steel construction for durability Uprights do not have to be installed into studs and can be installed using wall anchors Works with the Rubbermaid FastTrack rail for a complete shelving system (sold separately) Easy to install and adjust