This Heathkit IT-121 FET/Transistor Tester is a must-have for any estate find. Although it is untested, it has the potential to be a valuable addition to your collection. The brand, Heathkit, is well-known for producing high-quality test equipment, and this model is no exception.


It is perfect for those in the business and industrial field who need a reliable tester for their equipment. It is categorized as a test equipment plug-in and is ideal for use in the Test, Measurement & Inspection field. Don't miss out on the opportunity to own this piece of history. Please look at the pictures and ask any questions before you bid. Check out my feedback!