This is a Genuine Marshalltown 1 Interchangeable Brick Barrel Jointer, made in the United States. The set includes a 1/2" 5/8" 3 model, perfect for all your bricklaying needs. The brand is well-known for its high-quality products, and this jointer set is no exception. It's a must-have for any professional or DIY enthusiast looking to create beautiful and intricate designs with their brickwork. The set is easy to use and ensures precision and accuracy with every use. So, whether you're a mason or a DIYer, this Genuine Marshalltown 1 Interchangeable Brick Barrel Jointer is the perfect addition to your toolkit.