STANDARD CO, BUTT-SPLICE CONNECTORS 22-18. RED
Butt Splice connectors: Red is for 22-18 gauge (0.50 to 1mm² or 0.64 to 1.02mm diameter) wiring. Self soldering universal connection with heat shrink tubing. Just heat it up & it's ready. No crimping required. Strong, durable, vibration resistant and absolutely weather proof.