A good use of those type connectors has not yet been invented. Until then I would suggest not using them for anything. And finding those connectors suggests a home repair job to me.
No man has a good enough memory to be a successful liar. Abraham Lincoln
2016 36FBTS Pinnacle
2016 F350, 6.7, 4x4, DRW, long bed
B & W Companion 5th wheel Hitch