Deep drawer organizer for TANDEM 21" wood drawers Features: Cut to size cross dividers to fit drawers with an interior width of up to 44-5/8", spring-loaded interior side rails and clip-on lateral dividers For drawer thicknesses of 5/8" or 3/4" Minimum inside drawer height - 5-1/4"Kits include: 2 - Cross dividers (A), 4 - Spring connectors (B), 2 - Interior side rails (C) and 6- Lateral dividers (D)