... Includes a center support rail for additional Strength & Support 7, central support legs can be adjusted the height8, solid bottom feet9 ... shockers to suit even heavier latex mattresses 12, slatted bed base with two mattrss retainers in order to prevent the mattress ... wooden slats components inside the carton box2: 1, head borad and foot board2, metal tube of bed base3, wooden slats4, non-woven fabric ...