Purpose of a Bed Frame A bedframe does more than just raise your mattress off the floor. A bed frame fully supports your mattress and box spring without the assistance of a headboard and footboard. A bolt-on headboard may be attached to this bed frame, but such attachment is optional. Fits Twin, Full, and Queen Size Beds This bedframe will fit Twin, Full, and Queen Size box spring and mattress units. Strong Sturdy Construction The side rails are constructed of 1 1/4" x 1 1/4" x 70 1/2" steel. Keyslot Crossarms Make assembly / selecting the chosen size easy and lock securely in place. Locking Legs Creates a triple-thick steel layer at the corners for increased strength and rigidity Included Center Support System Center Support System consists of 1 rail running from side to side with one adjustable rug saver equipped leg. The bedframe has a total of 5 rug saver caster equipped feet. Bolt-On Headboard Brackets This bedframe provides bolt-on connections for the headboard. The brackets are of heavy duty riveted construction and will fit virtually all bolt-on style headboards. Warranty This bedframe is warranted with a Limited Lifetime Warranty against defective materials or workmanship by the manufacturer. Made in the United States This bedframe is manufactured with pride in the United States (not an import nor aftermarket item). No corners are cut, no sacrifices in quality are made with either materials or the construction process of this bedframe.