A superb choice of 6ft Super King size bed frames in a choice of metal, solid wood, upholstered fabric and real oak. 6ft Bed Frames are known as the Super King Size. They are designed to take a 6ft Super King Mattress which measures 6ft x 6ft6 (180cm x 200cm). Although not the most common Size, we keep a selection in stock for a fast Same or Next Day Delivery. For a wider choice of 6ft bed frames some are to order, and take approximately 5 days for delivery.