Heavy duty king-sized frame made with the world's strongest wedge lock system. These frames feature 2 ½" carpet rollers with 2 locking brakes. Purchased the Original Mattress Factory <https://www.originalmattress.com/bedding-and-accessories>. On Craiglist now: http://pittsburgh.craigslist.org/fuo/5554949388.html thanks, Bryce