Function:1. UNIVERSAL COMBINATION SQUARE: Precision redefined! Elevate your measuring and drawing game with this multi-angle measuring ruler, an excellent professional measuring tool. Unlike other rulers, this holding ruler has added a latent anti-drop device, so you don't have to worry about the rulers falling off when you work. 2. MULTI-ANGLE MEASURING RULER: 90-degree and 45-degree stops for versatile angles. More angles available, helping you measure things accurately. Upgrade your tools for precision. 3. STRONG AND ROBUST: This angle measuring tool is made of aluminum alloy and high carbon steel material, which is long-lasting and not easy to bend, ensuring long-term use. Lightweight, compact straight ruler is portable and easy to carry. 4. PROFESSIONAL DESIGN: Scale on both sides is engraved on the ruler, making it clear for you to read. A stainless steel scribe acts as another pen for you. Great value with truly useful additional features like a scribe and ejection stop. 5. WIDELY USED: Precise universal combination square with ruler stop for accurate marking, measuring, scribing, and drawing. A practical tool for schools, offices, homes, woodworking, and engineers, enabling data measurement anytime, anywhere. Specification:Item Type: Multi-Angle Measuring Ruler Material: High Carbon Steel and Aluminum Alloy Range: Approx. 30cm / 12in. Package List:1 x Angle Ruler