Built from select northern hard rock maple, our Butcher's Blocks will last for generations. They're made to professional standards by John Boos & Company, supplier to butchers, restaurants, and the White House kitchen The end-grain work surface is easy on knives and resists nicks and gouges, preventing bacteria from penetrating the wood. John Boos & Co. Professional Cutting Boards are used by professional chefs throughout the United States. "The Blocks That Made Boos Famous." All Boos Butcher Blocks are 100% Solid Hard Rock Maple, Manufactured with the same exacting specifications as those used in 1887. The End Grain Work Surface has a special Varnique Finish to provide an extra-long service life.