"1, Material: Kiln dried black walnut lumber 2, Handmade by Amish craftsman 3, Heavy duty hidden steel mounting bracket 4, Pre-drilled mounting holes for with steel bracket, or custom design per request Customized walnut fireplace mantels are available. you can round up to the next size available from our listed fireplace mantels. For example. If you need a 52\" length, round up to 56\", and make a note on your order for your size request. If you want curved front edge or with natural...