Features: Perfect for precise woodworking measurements - the Carpenter Square is a must-have tool for any professional or DIY enthusiast-. Made- with high-quality aluminum alloy and anodized surface-treatment, this ruler is durable and resistant to wear and tear. The added hole feature allows for even more precision- in your measurements. Whether you're a professional carpenter or just starting-out in woodworking, this ruler is suitable for anyone looking to achieve accurate and precise measurements. 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. With its easy-to-use design and top-quality- construction, the Carpenter Square Aluminum Miters Triangle Hole Ruler is a reliable and indispensable tool for any woodworking project. Specifications: Material: aluminum-alloy Color: black/red/blue Package Includes: 1xAngle Measuring Ruler note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.