The Malouf Queen/Full/Twin Adjustable Bed Frame includes multiple support features for added durability. Its primary legs are reinforced with our Tri-Support system creating optimal frame support. With seven locking legs that create triple-thick steel strength and exceptional stability, the frame includes either 2.5-inch in-line rug rollers or metal reinforced glides. In addition, a 1.5-inch center support is utilized for Queen and Full sizes. Frame width adjusts between 38 inches and 60 inches with a length of 70 inches.