RE1048 Size: 48" Length Features: -Rail. -Available in 48" or 96 length. -Patented steel rail. -Secured into wall studs with toggle bolts, this track provides a sturdy support for wall units. -Can also be used as the backbone of a smaller unit. -Every piece of the system hangs from this rail, rather than resting on the floor. -Keeping your closet floor free of clutter and easier to clean. -Will need the Hardware Pack not included. -Small dimensions: 1" H x 48" W x 2" D. -Large dimensions: 1" H x 96" W x 2" D.