Features: * 3/4 inch steel strut and 5mm thick steel bar construction * Tough epoxy coat finish * Recommended fasteners are 3 inches or longer 5/16 inch lag screws mounted onto studs * Attach shelf using no.8 or larger rounded-head wood screw * Holds up to 1000 pounds per pair when mounted per manufacturer recommendations * Mounts directly to wall * Fasteners not included What"s In The Box: * Knape & Vogt Mfg Co 208TI550 Heavy-Duty 22-Inch Large Titanium Shelf Bracket