Specification: _x005f_x000D_ Size: 0-100mm/0-3.9in _x005f_x000D_ Pen head: bullet type 1.0 _x005f_x000D_ Material: plastic _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Vernier Caliper Pen 1. 2-in-1 Functionality: Caliper type ballpoint pen combines the convenience of a ruler and the practicality of a pen. Enjoy the versatility of using it as both a measuring tool and a writing instrument. 2. Durable and Replaceable: Our push-button mechanism makes it easy to disassemble and replace the ink cartridge, ensuring long-lasting use. With its sturdy plastic construction, multifunction vernier is built to withstand everyday wear and tear, providing value for your money. 3. Multiple Pen Color Options: For roller ball pen, you can choose between black or blue ink cartridges to suit your preference. Whether you need to take notes, draw diagrams, or mark measurements, we've got you covered. 4. Precise Measurement Range: With a measurement range of 0-100mm, stationery portable tools allows for accurate and meticulous measurements in various applications. Ensure precision in your work every time. 5. Bullet-tip Design: The bullet-shaped 1.0mm plastic stationery tip ensures smooth and consistent writing performance. Experience effortless ink flow and precise control for detailed work and legible writing.