ruler is made of aluminum alloy with anodized surface(red or blue optional), beautiful, rust-proof, corrosion-resistant and wear-resistant. Three-sided accurate scales design for easy reading and convenient line drawing, the scale is clear and suit for your various working needs. With perfect 45° and 90° angle, this positioning ruler is convenient for you to position locate, line drawing, length measure, angle measure and, etc. It can be used in a variety of applications such as woodworking, home use and DIY projects, making your woodworking projects easier. 【Accurate  Scales】: Multi-purpose for one tool, three-sided accurate scales design for easy reading and convenient line drawing, the scale is clear and suit for your various working needs. 【Multifunctional Design】: With perfect 45° and 90° angle, this positioning ruler is convenient for you to position locate, line drawing, length measure, angle measure and, etc. It can be as woodworking measuring tools, angle ruler, dimensional measuring tool, mark scraper. It's a useful carpenter accessories.  【Easy to Use】: There is no need to reverse the body when measuring, , just slide to mark the right and left 45/90 degree angle. Accurate scale and simple operation makes it to measure angles with ease. The angle ruler helps you draws perfect horizontal lines while sliding the rule along the edges of your work. 【Wide Applications】: Utility tool, it can be used in a variety of applications such as woodworking, home use and DIY projects, making your woodworking projects easier. Specifications: Name: Scribing Ruler  Material: aluminum alloy  Color: red, blue (optional) Item size: 112 * 85 * 79mm / 4.41 * 3.35 * 3.11in Item weight: 147g / 5.19ounce Package size: 130 * 100 * 100mm / 5.12 * 3.94 * 3.94in Package weight: 160g / 5.64ounce Packing List: 1 * Scribing Ruler