Use it for variety of applications, including measuring angles, marking cuts, and laying out 45 / 90 degree layouts It is perfect for use in both small and large woodworking projects Whether you ' re a professional carpenter or just starting-out in woodworking, this ruler is suitable for anyone looking to achieve accurate and measurements Made with aluminum alloy and anodized surface-treatment, this ruler is and resistant to wear and tear The added hole feature allows for even more in your measurements Perfect for woodworking measurements the Carpenter Square is a must-have tool for any professional or enthusiast With its easy-to-use design and construction, the Carpenter Square Aluminum Miters Triangle Hole Ruler is a and indispensable tool for any woodworking project, Manufacturer: Jazuaiao