STRUCTURES by Malouf Heavy Duty 9-Leg Adjustable Metal Bed Frame with Double Center Support and Glides Only - UNIVERSAL (Cal King, King, Queen, Full XL, Full, Twin XL, Twin) Easily adjusts to fit Cal King, King, Queen, Full XL, Full, Twin XL and Twin mattresses and box springs Nine legs with six 3-inch heavy duty metal-reinforced glides 2.5-inch double rail center support bar with two support glides Universal headboard brackets and gunmetal black matte powder coating Easy assembly in under 10 minutes - no additional tools required - 5-year warranty