COSTWAY VD-51393HW Adjustable Metal Bed Frame, Twin/Full / Queen, Black Heavy Duty Metal Construction: Made of high-quality heavy-duty steel, our bed frame offers a sturdy and stable support for your headboard or mattress. Exquisite black coat enables it to be rust and corrosion resistant and serve for longer time. Completely Adjustable: This bed frame can be adjusted to suit for all Twin, Full, Queen and King size to meet all your requirements for bed size. Besides, the adjustment can be easily and conveniently operated. Easy Installation and Transportation: Hardware and manual are included. Detailed assembly steps are shown in picture form for your reference. It is also easy to be disassembled and transported. Sturdy Lockable Wheels: Four wheeled rug rollers are flexible enough to move freely but also can maintain stable with lockable function if you need. Smooth wheel surface kindly protects floor from being scratched. Large Capacity and Central Support: Max weight capacity is 660lbs. Central support bar with two round feet provides additional support for the bed frame and makes it more solid.