Provides adjustable height options for placement of wire shelves Standards must be placed no more than 24 in. apart and no more than 4 in. from end of shelf Snaps into ClosetMaid ShelfTrack Hang Track ShelfTrack brackets are inserted into slots on standards Double slot design.12-Inch ShelfTrack standard for use with ClosetMaid's ShelfTrack system.Hangs from the hang track to support the ShelfTrack shelf bracket.Use with SuperSlide shelves and hanger bar supports.Steel construction with epoxy finish for strength and mold resistance.Mounts directly to the wall or hangs from ClosetMaid's 2826 or 2836 hang track