Classic Brands Hercules Standard Metal Bed Frame | Adjustable Width Fits Twin, Twin XL, Full, Queen Standard metal bed frame keeps your box spring in place; fits Twin, Twin XL, Full, and Queen mattress sets with a box spring or foundation (not included) Maintain stability and maximum weight support for your mattress set; interlocking key slot rails provide stronger support for heavier mattresses Black matte powder coated solid steel construction supports all mattress types and easily attaches to a headboard (headboard and brackets not included) 4-wheeled legs with locking rug rollers so frame and sleep system can be easily moved and locked into place. Ships small parcel in a compact package to easily fit through narrow doorways, hallways or stairwells The interlocking frame is easy to assemble in minutes; no tools required. 5 Star Customer Service; Available 7 days a week