7-Leg Super Duty Adjustable Metal Bed Frame (Queen/Full/Full XL/Twin/Twin XL) with Center Support Bar and Rug Rollers&Locking Wheels Heavy duty 7-leg adjustable metal bed frame with center support Features solid steel metal frame that will give excellent support to your mattress and headboard Easy to move, constructed with wheels Ultimate in strength and durability, quality and structure This frame can be used for queen, full, full xl, twin, twin xl sizes bed. CANNOT BE USED FOR A KING SIZE BED.