ClosetMaid 28440 ShelfTrack Expandable Shoe Rack, 24" x 42", White Expandable shoe rack kit is accessory for use with ShelfTrack storage system Shelves are adjustable from 24-Inch to 42-Inch to fit any size shoe Holds up to 10 pair of shoes Attaches to ShelfTrack standards to free up floor space: standards sold separately Constructed of epoxy coated steel