When it's moving time, or time to fit a new mattress, the Universal Bed Frame makes change easy because it quickly adjusts. Long-lasting and highly-adjustable, it allows you to purchase one frame that fits virtually any bed size. Its primary legs are reinforced with the patent-pending Tri-Support™ system creating optimal frame support. The nine leg design includes either 2.5" in-line rug rollers or 3" wide glides that are metal reinforced for exceptional stability; in addition, an extra-wide 2.5" double rail center support is utilized for all sizes. Frame width adjusts between 38 inches and 76 inches with a length of 70 inches.