The pen barrel with inch and centimeter scales not only allows you to write but also measure the length, all in one, making it a very practical school supply. The novel style design and versatile functions make it perfect for branding as a promotional item. Gently press the refill to protect the nib from damage. Wear-resistant nib, long writing life, smooth, and no ink leakage. Write neat fonts, quick-drying without dirtying your hands, all in one go. A variety of colors to choose from, there is always one to your liking. Made from abs material, measuring 5.71*0.6 inches, this custom customized calipers ballpoint pen. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Sleek design, durable build, easy to grip.