Du-Bro Threaded Couplers \(1/16"\) Part No: 111. Designed for use with Du-Bro Kwik-Links and ball links. One end has no threads and can be soldered on and the other side has either 2-56 or 2MM threads. #111 has 2-56 threads, threaded 3/4" \(19 mm\) with an overall length of 1 1/4" \(31.7 mm\). For 1/16" diameter rod.