The CAT 147-5842 Valve Lash Gauge Group is a high-quality hand tool designed specifically for automotive use by Caterpillar. Made in Japan, this product is a reliable and durable tool for measuring valve lash accurately. With no modifications or domestic components, this genuine CAT product ensures precision and efficiency in automotive maintenance and repair tasks. Though it does not come with a warranty, the reputation of the Caterpillar brand guarantees its long-lasting performance and value for professionals and enthusiasts alike.