Alloy Build: Crafted from solid alloy with a hand hammered texture and anti rust finish, this dotting pen set offers long lasting performance without wear or discoloration. Mode Functionality: Easily switch between ink or paint drawing and hardened steel scoring for precise lines on leather, cardstock, or soft metal perfect for versatile creative projects. Dot & Dash Wheels: Includes interchangeable brass wheels to create continuous dots, dashes, or decorative borders, letting you personalize patterns quickly and accurately. Mechanical Design: The built in roller keeps the pen perfectly aligned with any ruler, ensuring steady, evenly spaced lines every time ideal for architects and engineers. Gift for Creatives: A thoughtful tool for designers, illustrators, students, and teachers who value precision in technical drawing and artistic work. Description: This dotting pen set features a solid alloy body with a hand hammered texture and non slip grip, ensuring durable, collector grade quality. Its anti rust treatment protects against wear, oxidation, and discoloration for long lasting use. The adjustable tip offers dual mode functionality: draw with ink, acrylic paint, or masking fluid, or switch to the hardened steel scoring tip to mark leather, cardstock, or soft metal with clean, permanent lines. Included are interchangeable brass dot and dash wheels for creating continuous patterns and decorative borders with ease. Designed for architects, engineers, illustrators, students, and teachers, this precise mechanical tool guarantees mathematically accurate lines every time making it an ideal gift for creative professionals and hobbyists alike. Item Name: Drill Pen Set Material: Alloy Applicable Scenarios: General Features: Dash Wheels, Mechanical Design, Adjustable Size Details: L: 8cm/3.15", W: 6cm/2.36", H: 2cm/0.79" (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 Set of Dot Pens