Continental Sleep Modification Plate , Headboard Attachment Bracket, Set of 2 Plates Includes 2 metal plates Steel construction creates a heavy-duty connection Made in USA Modi plate includes 2 metal plates Modification plates attach standard bolt-on brackets to odd sized headboards Steel construction creates heavy duty connection Attaches Queen headboard to full size bed frames Attached California King headboards to Eastern King bed frames or vice versa To attach headboard and footboard you will need two sets Provides extra secure connection reducing squeaking & shifting