HEAVY-DUTY STEEL FRAME SUPPORTS UP TO 3500 LBS Measuring 80"L × 76"W × 14"H, this king size metal bed frame is engineered with premium heavy-duty steel, reinforced steel slats, and multiple support legs for exceptional strength and long-lasting durability. Supporting up to 3,500 lbs, the sturdy platform structure delivers reliable, noise-free support for memory foam, hybrid, latex, and innerspring mattresses.