Red, Twist-Lock Socket Organizer Tray, Plastic, 5 5/16 in Overall Width, 19 5/8 in Overall Depth, 1 3/8 in Overall Height, For Socket Size/Type 1/2 in, 1/4 in, 3/8 in, Includes I.D. Stickers, Number of Posts/Slots 57, Number of Rows 3, Number of Trays 1