This is a replacement touch probe wire. Magnetic Ground Connector and Banana Plug for use with the Triquetra Touch Plate. This comes pre-wired for your convenience with 6 feet of 16 gauge copper stranded flexible insulated wire. The Ground connector and Banana plug are soldered on to insure continuity.
 
FAQ https://forum.onefinitycnc.com/t/replacement-touch-probe-cable/3358