Check the listing for details. Independent Technologies ITC-4001 Loop Current Attentuator - USA. Color: Beige, Condition: Used. Listed at 32.00 USD. NIndependent Technologies ITC-4001 Loop Current Attentuator Listing price is per unit - (2) units available at time of listing15% discount on Quantity > 1, plus free shipping! Parts in pictures are the parts you'll receive. Recent estate bulk purchase with many vintage and NOS AT&T, Bell Systems and Western Electric parts. These units were functional when removed from service, typically for test purposes only. Please see all pictures for full condition details. Parts will be carefully and securely packed for a safe journey to buyer's location. I've shipped dozens of sensitive electronic devices and fragile parts with great track record - see my feedback comments and buy with confidence! Thank you for visiting and don't wait too long on these great vintage electronic parts!