Ready to start installing your new mantel shelf? The following instructions are specifically for the Breckenridge model. You have the option of displaying your shelf with corbels (Option 1), or shelf alone (Option 2). If you decide to use the corbels, continue reading. If you choose not to use them, please proceed to "Installation Using the Included Mounting Board." Installing the Corbels 1 - Hex Tool 2 - Corbels w/ pre threaded inserts 4 - Hex Bolts 4- Washers Step 1: Your shelf has 4 wooden nuts placed in the bottom of the beam. Turn the shelf upside down and place it onto a soft surface and tap out the wood nuts using a flat head screw driver and hammer (or a similar method). You will be left with 2...