QUEEN SIZE HOOK ON BED FRAME RAILS WITH 3 CROSS ARMS BEAMS WITH LEGS FOR USE ONLY WITH BOTH HEADBOARD AND FOOTBOARD Overall Dimensions: 60"W x 82"L Equipped with 5-1/4" Adjustable height center support leg Made in the USA. PLEASE MAKE SURE THIS BED FRAME FITS YOUR BED Hook on rails are typically used with wood type beds with a head and foot board arrangement. If you are trying to substitute those wooden rails that came with your bed, this set of hook on metal rails MIGHT NOT BE THE CORRECT ONES. Before ordering, please make sure your bed is compatible by verifying the measurements from the diagram above correspond to your bed. The hook-in slot between each rail must measure 61" in order to fit a queen size foundation, which measures 60" (standard queen size) Please send us a message if you are unsure if it fits.