All of our used parts are thoroughly cleaned, refurbished and tested by our knowledgeable staff and your satisfaction is guaranteed.  We offer no questions asked returns for 7 days after receipt (less cost of shipping).  All used items carry a 90 day warranty against defects which will be honored with a full refund or replacement with like item.  If you have any questions or would like additional photogrpahs, please email us at sales@hitechinstruments.com.  If you do not see the item you are looking for please email us as many times we have inventory we have not yet listed online.