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The Mainstays Adjustable Metal Bed Frame is a black steel foundation that expands to fit Twin, Full or Queen beds, so one frame covers a move or a guest room change. It uses nine welded legs and a center support bar, rated to hold up to 1,200 lbs, and it includes brackets for attaching a headboard. A box spring is required and the mattress sits on top of it. Against fixed-size frames it wins on flexibility; against platform frames it loses because it cannot hold a mattress on its own. Owners rate it well for easy, tool-free assembly and solid support.
In stock
Owners rate it highly, mostly for quick tool-free assembly and sturdy support once a box spring is in place. Complaints center on the box spring requirement and the plain look.
The Mainstays Adjustable Metal Bed Frame is a metal bed foundation that adjusts to fit Twin, Full, and Queen beds. One frame can work with any of those mattress sizes.
The frame is rated to hold up to 1200 lbs. It uses nine welded legs and a center support bar for support. Capped feet sit between the frame and the floor.
Built-in headboard brackets let you attach a headboard. Assembly requires no tools. The frame is designed to be used with a box spring, which is required for setup. A mattress is not included.






