TitanSecure Wire Shelf Dividers for Closets - Best Closet Organizer that Only Takes Seconds to Install. Organize your Bedroom, Bathroom and so Much More - Works on Most 12 Inch Wire Shelves (Set of 8)STRESS FREE SETUP ON EACH CLOSET SHELF ORGANIZER! No tools, no wooden dowels. Simply grab, squeeze and release the closet shelf divider on to the wire shelves. Need more? Instruction is included! These dividers work ONLY with wire shelving, DOES NOT work with wooden shelves! CLOSET DIVIDERS COMES WITH ULTRA HEAVY DUTY FINISH! Don't compromise on quality, TitanSecure shelf separators are rust and scratch free, super tough AND environmentally friendly!