Bedbeam II Adjustable Center Support/Slat Replacement System For Wood Beds. Protects The Support, Durtability, And Warranty For Wood Beds Furniture As Well As The Mattress Set. Easy Assembly- Fits Most Wood Furniture Beds. 2 Drop And Lock Heavy Duty Legs Provide Superior Center Support For The Wood Bed As Well As The Mattress Set. Twin Steel Center Support Beams Provide Extra Support And Durability. Bedbeam II Can Adjust From 5" To 18" Depending Upon The Height Of The Wood Bed Furniture. limited Lifetime Warranty. Adjusts To Fit Full, Queen, King, Cal. King Sizes