This versatile scribing ruler is made of aluminum alloy with an anodized surface (red or blue optional), offering a durable, rust-proof, corrosion-resistant, and wear-resistant design. It features three-sided accurate scales for easy reading and convenient line drawing, with clear markings to suit a variety of working needs. The built-in 45° and 90° angles make it ideal for positioning, marking lines, measuring lengths, and checking angles. Ideal for woodworking, home use, and DIY projects, this tool simplifies tasks and enhances precision. The multifunctional design allows it to serve as a measuring tool, angle ruler, dimensional gauge, and marking scraper—making it a valuable addition to any toolkit. The ergonomic design eliminates the need to flip the tool during use—simply slide to mark left or right 45° or 90° angles. The accurate scale and intuitive operation make angle measurement quick and easy. The ruler also helps draw precise horizontal lines when sliding along the edge of your workpiece. Specifications: Name: Scribing Ruler Material: Aluminum alloy Color: Red or Blue (optional) Item Size: 112 x 85 x 79mm (4.41 x 3.35 x 3.11in) Item Weight: 147g (5.19oz) Package Size: 130 x 100 x 100mm (5.12 x 3.94 x 3.94in) Package Weight: 160g (5.64oz) Packing List: 1 x Scribing Ruler