7-Leg Heavy Duty Adjustable Metal Queen, Full, Full XL, Twin, Twin XL, Bed Frame With Center Support, Rug Rollers and Locking Wheels. Ultimate in strength and durability, quality and structure. Two Locking wheels. Features solid steel metal Frame that will give excellent support to your mattress and headboard. Easy to move, constructed with wheels, The Screws that attach the Bed frame to headboard are not included. Easy Assembly in Less than 10 Minutes. No Additional Tools Required. Please note that the center support bar does not work as a twin size bed.