The STARRETT 436 1RL-2 001″ 1-2″ Micrometer is a precision tool for machinists and toolmakers, designed for measuring outside dimensions with a resolution of 0.00100 inches. Made in the United States by STARRETT, a reputable brand known for producing high-quality micrometers, this model is ideal for accurately measuring a range of 1 to 2 inches. With its mechanical reading and being an outside micrometer, this tool is essential for precise measurement in metalworking and manufacturing applications.