Preloaded with #8 pin drive and anchors. No.6606, 71925 and No. 21775. - For Organizer, Wardrobe, SuperSlide and Close Mesh Shelves 12" in depth; and Wardrobe or hanging SuperSlide shelves 16" in depth. No. 26607, 71924, and No.21776 - ForOrganizer, SuperSlide (in storage application), and Close Mesh shelves 16" in depth. No.26605 - For Organizer, Wardrobe, SuperSlide and Close Mesh Shelves 20" in depth.