Product name: steel inner diameter caliper Product size: length 14.6CM/5.75 inches Product color: sliver Product material steel Product features: 1. steel construction: The tools are made from high-quality steel, ensuring durability, corrosion resistance, and longevity. 2. Precision measurements: The tools are designed to provide accurate and precise measurements for thickness, inner diameter, and slot width. 3. Versatility: The tools can be customed for a wide range of applications, including measuring checking inner diameters, and verifying slot widths. 4. Easy to use: The tools are user-friendly, featuring clear markings and easy-to-read measurements for quick and efficient use. 5. Compact and portable: The tools are compact in size and lightweight, making them easy to carry and store, allowing for convenient use in various settings. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pcs steel inner diameter caliper