Achieve precise angle and length measurements effortlessly with this high-quality 0~180 degree rotation Protractor Ruler. Crafted from premium stainless steel, this durable measuring tool resists deformation, ensuring long-lasting accuracy and reliability for various applications. Its innovative design includes an adjustable screw nut that allows you to securely fix any desired angle, providing convenience and precision for all your measuring needs. Key Features: · 360° Rotation with 0~180 Degree Scale: Easily measure and draw angles within the 0 to 180-degree range, making it ideal for diverse angle measurement tasks. · Premium Stainless Steel Construction: Built for durability and resistance to bending or deformation, ensuring consistent performance over time. · Adjustable Screw Nut Lock: Securely fix the protractor at any angle with the screw nut, enabling stable measurements and precise angle drawing. · Clear and Easy-to-Read Markings: Features well-defined graduation marks for quick and accurate reading, enhancing user convenience. · Versatile Use: Perfectly suited for students, engineers, architects, carpenters, and hobbyists for applications such as angle measurement, length measurement, technical drawing, architectural design, and woodworking. Specifications: · Material: Premium Stainless Steel · Color: As shown in the images · Size: Approx. 19.7 x 5.2 cm (7.76 x 2.05 inches) · Weight: Approx. 70g Package Includes: · 1 x Protractor Ruler This stainless steel protractor ruler combines durability, precision, and ease of use to support all your angle measuring and drawing tasks. Whether for professional engineering projects, classroom learning, or DIY carpentry work, this tool ensures accurate and reliable measurements every time.