This tachometer is designed to fit Cummins engines K19, K38, and NT855 QSK. It is a reliable and accurate digital tachometer suitable for use in various industrial applications. The unit is manufactured in China and comes with a unit quantity of 1. Ideal for use in testing, measuring, and inspecting various industrial equipment, this tachometer is a must-have for professionals in the business and industrial sector. Its compact design and durable construction make it a practical tool for everyday use.