Hello, We are looking to purchase a wheatstone bridge, typical model would be the ZM-4 , Industrial Instruments RN-3 or similiar. Prefer one that is working or needs only a few minor repairs. Thank You Ashley40 at AOL.com Thank YouKiss-ElectronicsMs Ashley Hall183 N 5th PL.Cornelius, Oregon97113 W7DUZ www.kiss-electronics.com