2-56 Aileron Connector Ball Link from Du-Bro - DUB183
5 piece set includes one 2-way self threading nylon socket, 2 threaded couplers 3/4 long with 3/8 2-56 thread, for up to .072 wire, 1 ball threaded for 0-80 (1/16 diameter thread) and one 0-80 hex nut.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.