Support your mattress with a heavy duty steel bed frames engineered to support today's thicker, heavier mattresses. A 1-1/2" center support bar offers extra support through the middle of the bed and fulfills mattress manufacturers' support warranty requirements. Four 2-1/2" extra-wide rug rollers (two locking rollers). One center support glides allow mobitily when desired. Headboard brackets will accomodate virtually any headboard configuration. Two cross arm support legs contribute additional support. Finished with a durable and stylish gunmetal black matte powder coating. Features a one-year manufacturer's warranty against defects and workmanship. Easy to assemble in under ten minutes and no additional tools are required. Side rail angle iron steel is 1-1/2" x 1-1/2" and cross arm angle iron steel measures 1-1/4" x 1-1/4". Fits the following mattress sizes: Queen, Full XL, Full, Twin XL, Twin.