The Vermont Gage 1.1507 NoGo (Minus) Standard Class X Steel Plug Gage is engineered to provide precise measurement standards for calibrating equipment and directly inspecting parts. Manufactured from tool steel with a hardness of 60/65 Rc, this gage ensures durability and long-term performance. Its 2-inch length and 4 microinch finish or better contribute to its high-quality construction. The gage is designed to be round within ½ of the tolerance, enhancing its accuracy. A certificate of accuracy is included, and ISO 17025 Accredited Certificates are available for purchase, ensuring traceability and reliability in measurements. This gage is suitable for applications requiring precise measurement standards, such as calibrating measuring equipment or gaging parts directly.