Our range of replacement cast iron bars is designed to revitalise both the appearance and functionality of your fireplace. When used alongside the correct grate and ashpan, these bars: Prevent fuel from falling onto your hearth Promote efficient airflow around your open fire, supporting a hotter, cleaner burn Enhance durability and performance of your fireplace To ensure you select the correct size, please refer to the dimensions in the accompanying diagram. For additional guidance, contact your local retailer for expert assistance. Overall Width (inches) Width between centre of uprights (inches) Overall height (inches) Notes B1 Bars 18 16.5 11.5 Free Standing Bar B3 Bars 21 17.5 10.5 Free Standing Bar B5F Bars 19.5 16.6 10.5 Free Standing Bar B9F Bars 22 17.5 12 Free Standing Bar B12 Bars 21 19.5 13 Hook On Bar B15 Bars 16 14.5 10.5 Free Standing Bar B23 Bars 14 13 10 Free Standing Bar B24 Bars 18.5 17 10 Free Standing Bar B26 Bars 20.5 17 10 Free Standing Bar B29 Bars 17.5 16.5 10 Hook On Bar B30 Bars 18 17 10 Hook On Bar