General description Crafted from sturdy aluminum alloy, this rafter square tool is built to last, providing long-lasting durability for all your measuring and layout needs. With its innovative design, this triangular ruler protractor allows for easy and precise angle and layout measurements in engineering and woodworking projects. Technical specifications Material: Aluminum Alloy Compatibility and accessories Includes 1 x Rafter Square Tool 1 x Accessory 1 x Knob Screw Usage Woodworking Positioning and Marking Other information Accurate scale markings ensure precise and convenient measurements, making your projects more efficient. Rotate effortlessly at 90 or 180 degrees for precise and accurate flatwork operations. Equipped with a jig block for accurate repetitive markings, ideal for projects that require consistent and accurate measurements.