Features • Premium Quality Construction - Crafted from high-grade carbon steel, ensuring durability and a long service life for your projects • Exceptional Precision - Designed for high accuracy, providing reliable measurements without the risk of wear and tear • Versatile Application - Ideal for mechanical processes and leatherwork, making it a must-have tool for artisans and professionals • Stable Performance - Offers consistent stability during use, enhancing your efficiency and results in various tasks • Compact Size - Measuring 190mm, this tool is lightweight and easy to handle, perfect for both DIY enthusiasts and professionals alike Features: 1、100% and high-quality. 2、It is made of premium carbon steel, and has long service life. 3、High accuracy and not easy to wear and tear while using. 4、It is suitable for mechanical process and making leather. 5、It is stable and has great performance while using. Specification: Features: 100% and high-quality. It is made of premium carbon steel, and has long service life. High accuracy and not easy to wear and tear while using. It is suitable for mechanical process and making leather. It is stable and has great performance while using. Specification: Type:AL1068 Material:Carbon Steel Size(Optional): 140mm / 5.5in 190mm / 7.5in 230mm / 9.1in Package List: 1*Outside Spring Caliper Package List