Bring order to messy closet shelves with the Shelf Divider - 4 Dividers. Create custom storage to suit all your closet needs.Wire shelf dividers set your closet straight! Organize sweaters, purses, linens, towels, books, and more! Vinyl-coated steel dividers clamp harmlessly onto any shelf surface 3/8" to 3/4" thick. Clamp arms extend 4 inches under the shelf. Set of 4 dividers.