Features Premium Quality Construction - Crafted from high-grade carbon steel, ensuring durability and a long service life for all your marking and measuring needs High Precision Performance - Designed for exceptional accuracy, these calipers minimize wear and tear, providing reliable measurements each time Versatile Application - Ideal for mechanical projects and leather crafting, making it a must-have tool for artisans and profionals alike Stable and Reliable - Engineered for stability during use, this tool delivers consistent performance, enhancing your work and productivity Convenient Size and Design - Measuring 190mm, these outside calipers are compact and easy to handle, fitting ly in your toolkit or workspace 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 proc 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 proc 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