Support your mattress with a heavy duty steel bed frames engineered to support today"s thicker, heavier mattresses. Six-leg with four heavy-duty 3" metal reinforced glides allow mobility when desired. 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 1-1/4" x 1-1/4" and cross arm angle iron steel measures 1-1/4" x 1-1/4". Fits the following mattress sizes: Full, Twin.