The Vermont Gage 7/16-14 UNC 2B GO/NO-GO gage taperlock 301136540 thread plug is a precision inspection gage designed for metalworking applications. Made by Vermont Gage, a reputable brand in the industry, this gage allows for accurate measurement of 7/16-14 UNC 2B threads. The taperlock design ensures reliable and consistent results, making it a valuable tool for businesses and manufacturers in the CNC and metalworking sectors.