This plastic set square is a must-have tool for any mathematician, engineer, or student. The 45° angle makes it perfect for measuring and drawing perpendicular lines accurately. Made from high-quality plastic, this set square is durable and will withstand regular use. Its clear design allows for easy visibility and precise measurements. The compact size makes it convenient to carry in a pencil case or bag, making it ideal for on-the-go use. This set square can be personalized with your name or initials, making it a unique and thoughtful gift for someone special. Whether you're working on a school project, drafting blueprints, or simply need to measure angles, this versatile set square is a reliable tool that will help you achieve precise and accurate results. Add this plastic 45° set square to your collection of drafting tools today and experience the convenience and quality it offers.