These are new in original packaging from snap on. It was a set of four but I needed one. The remaining three keys are, K-7 K-9 K-13 "Personality Keys" (models K-7, K-9, and K-13) are used with Snap-on automotive scan tools like the MT2500 (Brick), Solus, Modis, and Verus and may work on others as well.
