Check the listing for details. Charvoz 30-1213 x2 Triangle Drafting Rulers, Excellent Condition. Condition: Used, Made in United States. Listed at 12.99 USD. This set of Charvoz drafting rulers is a must-have for anyone in need of precision in their work. The triangular design allows for easy and efficient drafting, making it an ideal tool for engineers, architects, and medical professionals alike. With its durable construction and high-quality materials, these rulers are sure to stand up to even the most rigorous use. Whether you're a seasoned professional or just starting out, these drafting rulers are an essential addition to your toolkit. Their compact size and lightweight design make them easy to transport and store, while their precision ensures that your work will always be accurate and professional. So why wait? Add these Charvoz drafting rulers to your collection today and take your work to the next level!