The Marshalltown Concrete 83 is a 3/8 x 1/2-Inch Brick Jointer. Marshalltown 15528 3/8 & 1/2 Brick Jointer helps emphasize the brick pattern. Tooled joints are recommended for exterior applications, since the jointer compacts the mortar to keep moisture from penetrating the joint. It is made from high carbon steel and is 10-1/2-inches in length. Each end is a different size for making different size joints. Features: * Made from high carbon steel * Each end is a different size for making different size joints * Helps Emphasize The Brick Pattern * 10-1/2-Inches in Length What"s In the Box: * Marshalltown Concrete 83 3/8 x 1/2-Inch Brick Jointer