| Brand | Heathkit |
|---|---|
| Model | IT-121 |
| MPN | IT-121 |
| size | One Size |
| Country of Origin | United States |
Check the listing for details. Vintage Heathkit IT-121 FET / Transistor Tester. Condition: Used, Made in United States. Listed at 48.00 USD. This tester is designed to evaluate the performance of field-effect transistors (FETs) and transistors, making it a valuable tool for electronics enthusiasts and collectors alike.