BECKMAN HELIPOT SA159 PRECISION POTENTIOMETER - 10KOhm.Used, tested - works well. For more information, please refer to the actual photos above. SOLD AS IS! NO RETURNS, NO REFUNDS! Will pack well, and ship USPS or FedEx Ground with a tracking number. US ONLY! I DO NOT SHIP OVERSEAS! If you need any additional info or pictures, please let me know. Thanks for looking!