ClosetMaid 23583 MaxLoad 40-Inch Hang Track. Complete garage system. ClosetMaid's heavy-duty MaxLoad ShelfTrack creates the ultimate garage storage solution for heavy and bulky items. Made with industrial-strength extruded steel, MaxLoad products can hold up to 600-pounds per 6-foot shelf. Durable, strong and easy to install, MaxLoad ShelfTrack is fully adjustable to meet your storage needs. ClosetMaid began with a desire to help people improve the storage in their home. Founded in 1965 in Delray Beach, Florida, we were the first to manufacture ventilated wire shelving for closets in new home construction. Today we are the worldwide leader in home storage and organization, offering innovative wire and laminate/wood storage systems for use in; bedrooms, kitchens, family rooms, laundry rooms, home offices, and garages – wherever people need to store and organize, ClosetMaid has the solution!