Johnson Level makes a wide variety of squares for the construction professional. From highly specific tools, like “speed square” style rafter angle squares and drywall squares to more general tools like carpenter squares and combination squares. Johnson squares are built to last in a wide variety of materials, sizes and features. Durable steel squares, lightweight aluminum squares, 6” combination squares, and 54” drywall squares. Whatever your application, Johnson Level has a square for your construction project.