The Winmax Nut and Bolt Thread Checker is a comprehensive tool set equipped with 26 male/female gauges in both 14 inches and 12 metric sizes. This thread gage is designed to ensure precise measurements and inspections in metalworking applications. With a commitment to professional service and satisfaction guaranteed, customers can rely on this product to efficiently solve any problem related to nut and bolt threads. The compact dimensions of H1.7 * L5 * W4.3 make it easy to handle and store, making it a valuable addition to any workshop or manufacturing facility.