The Stanley rafter square is a robust measuring and marking tool essential for carpentry and roofing tasks. The heavy-duty aluminium construction ensures durability and long-term reliability on site. An adjustable, multipurpose design allows it to function as a precise saw guide, a reliable bevel, or an accurate protractor, making it ideal for professional builders and roofers. Featuring Common, Jack and Hip, and Valley scales, the square provides comprehensive measurements for various applications. A black body with yellow graduations offers maximum readability in diverse lighting conditions, enhancing efficiency and accuracy during use. Includes an adjustable arm. Aluminium Body 0-90° Protractor Scale Heavy Duty Aluminium Body 0-90° Protractor Scale Heavy Duty