【High Quality】 The combination angle ruler is made of high-quality stainless steel, making it sturdy, durable, lightweight, easy to use, portable, wear-resistant, rust-resistant, and deformation-resistant, ensuring long-lasting use. 【Multi-Angle Measurement】 This parallel ruler can measure 90° and 45° angles. It's suitable for home and craft applications and can be used as a 45-degree mitre gauge, altimeter, or depth gauge. 【Separate Design】 The ruler base and the ruler itself can be used separately with concealed markers. Store numerous measuring tools, keep your workbench clean and tidy, and use it with ease. 【Double-Sided Ruler】 Double-sided graduations in millimeters and centimeters. The clear scale is easy to read and durable, suitable for measuring, marking, layout, etc. Product Description Detachable combination design, hidden marker pin, built-in spirit level, and other all-in-one tools eliminate the need to carry additional tools. An ideal choice for hobbyists and