The product is a vintage Snap On KILOPASCAL compressor test gauge, designed to test the compression of passenger vehicles. Made in the United States, this diagnostic service tool is a valuable addition to any automotive tool collection. Its like-new condition makes it a rare find for collectors or mechanics looking for a reliable and high-quality compression tester. Untested. Found in a barn at an estate sale with many NOS automotive parts. Looks new but selling used as-is. Excellent condition. Includes everything seen in pictures. Will be shipped in original box.