7 Inch King Box Spring with Round Corners, 3000 lb Capacity

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$148 USD
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7 Inch King Metal Box Spring with Round Corners - 3000 lbs Capacity, High Profile Heavy Duty Mattress Foundation with Steel Slats, Noise-Free, Easy Assemble, Black

Sturdy box spring with elevated steel slats for even weight distribution and high load capacity. Round corner design reduces injury risk; easy assembly. customers report easy setup and good support, with some notes on size accuracy

Highlights

  • 3000 lb capacity
  • round corner design
  • easy assembly

Pros

  • high load capacity (3000 lbs)
  • rounded corners for safety
  • easy assembly
  • even weight distribution
  • noise-free structure

Cons

  • middle sagging reported by some customers
  • some customers received the wrong size

Best For

  • supporting heavy mattresses
  • shared bed setup
  • frame replacement for standard beds
  • slat-supported foundation upgrades
  • safe corner design for family rooms
  • easy setup for DIY installation

Features

  • Upgraded steel support pillars for improved stability and even weight distribution
  • Supports up to 3000 pounds without deforming or wobbling
  • Round corner design reduces risk of injury compared to sharp edges
  • Slats mounted with a slot system to minimize noise and friction

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