- What You Will Receive: This set includes 12 mechanical pencils in two colors: 6 black and 6 blue. You'll also get 9 boxes of engineering refills that encompass 3 boxes of silver, 2 boxes of black, 2 boxes of red, and 2 boxes of yellow, totaling 108 refills to satisfy your daily writing and sketching needs. - Durable Construction: Made from high-impact plastic and metal, these welder pencils are designed for long-lasting use. They resist rust and breakage, ensuring reliability over time. The striped grip provides comfort during extended use. - Product Specifications: Each drawing pencil measures approximately 15 cm (5.91 inches) in length and comes with a 2B refill that is around 2.0 mm wide. The refills themselves are approximately 12.5 cm (4.92 inches) long. - User-Friendly Design: The drafting pencil set features convenient clips on the top, allowing you to attach them easily to notebooks, pockets, or bags. The push mechanism enables quick access, making it ideal for on-the-go use. - Versatile Applications: Whether you're sketching, drafting, or writing, these pencils are perfect for artists, engineers, and students alike. Use them for precise technical drawings, detailed illustrations, or everyday note-taking. - Comfortable Experience: The ergonomic design and quality materials ensure a pleasant writing experience, making these pencils a great addition to your stationery collection.