Universal Mantels -Full, Flush, and Corner* in 32-inch, 36-inch, and 42-inch -Fits White Mountain Hearth Fireplaces -Fits Most Other Fireplaces by Straight-cutting Two Sliding Panels -Large Full Bases (optional)* -Allows Use of Laminates or Other 3/4-inch Thick Materials (marble, granite, tile, etc.) * No bases or corner models for Universal 42-inch mantels. Full Cabinet Mantel and base in dark oak finish, shown with Breckenridge Vent-Free Fireboxin brass trim and Charred oak log set.