Milliard Heavy Duty Adjustable Queen/King/California King Metal Deluxe Bed Frame with Center Support and Wide Rug Rollers Easily Adjusts to Fit Queen, King and Cal King Mattresses Four 2 - 1/4" Rug Rollers for Easy Mobility + 2 Glides on Center Support Locking Legs; Creates a Triple Thick steel Layer at Corners; Recessed for Safety Riveted Headboard Brackets with Heavy Duty Construction; Fits Virtually All Headboards Easy Assembly in Under 10 Minutes; No Additional Tools Required