PRECISE TECHNICAL DRAWINGS: Craft accurate designs effortlessly with this stainless steel engineering ruler. Equipped with ruler, protractor, and compass tools, achieve 5-degree angular precision for detailed measurements. Ideal for engineers, architects, machinists, and field professionals seeking efficiency in their work. Measure, cut, and create with confidence. ENGINEERING REFERENCE COMPANION: Enhance productivity with this multi-tool's built-in engineering reference information. Instantly access essential equations, physical constants, and unit conversions on the go. Perfect for architects, carpenters, and electricians needing quick solutions without delays. Elevate your toolkit with this versatile gadget for seamless measuring, drawing, and repair tasks. CREDIT CARD SIZE MULTI-TOOL: Unleash your creativity with this compact stainless steel pocket tool featuring a straight-edge ruler, protractor, and compass functionalities. Transition effortlessly between metric and imperial units for diverse projects. An indispensable companion for students, professors, engineers, and mechanics seeking precision in their endeavors. THOUGHTFUL GIFT IDEA: Surprise a professional or aspiring engineer with this durable and practical multi-tool as a unique gift. Perfect for tech-savvy individuals, educators, and DIY enthusiasts appreciating functional accessories. LAST A LIFETIME: Lasers-etched solid stainless steel rulers, lasers-cut protractors, and lasers-engraved reference information last forever. Whether you're converting inches to millimeters, PSI to torrs, or measuring angles, it's the pocket companion you'll carry every day of your life. Essential for engineers and engineers converting between English and Metric systems! Surprise your engineering staff, manufacturing team or quality control staff! Item Name: Engineering Ruler Material: Alloy Thickness 0.6MM Features: Precise Technical Drawings, Credit Card Size, Thoughtful Gift Size Details: L: 8.5cm/3.35", W: 5.4cm/2.13", H: 0.06cm/0.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Engineering Ruler