Precision Measurement: This vernier caliper offers a broad measuring range from 0 to 4 inches (0 to 100 millimeters), ensuring high precision with an accuracy tolerance of just 0.05 millimeters (1/128 inch). It features a locking screw on top to secure the measurement firmly, making it ideal for detailed work. Durability Without Batteries: Constructed from premium carbon steel, the Kesiku vernier caliper gauge operates without batteries, ensuring reliability and continuous functionality, unlike digital calipers that can fail due to low batteries. This tool is designed to resist deformation and wear through extended use. Clear and Durable Scale: Employing technology, the scale on this caliper is exceptionally clear and finely crafted, ensuring it remains legible and resistant to wear and fading even after long-term use or exposure to contaminants such as oil. High-Quality Material and Storage: Made from robust high-carbon steel, the caliper is both durable and comfortable to handle. It comes with a sleek black storage pouch, which provides convenient storage and helps protect the caliper when not in use. Versatile Measurement Capabilities: The vernier caliper is adept at measuring outer diameter (OD), inner diameter (ID), depth, and step values, making it a versatile tool for various precision measurement tasks in DIY projects, household, and industrial applications. Color: As Shown Material: Stainless Steel Package Contents: 1*Vernier Caliper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.