Pacer Heat Shrink Connectors, Closed End 22 awg to 16 awg (100/BG). Designed to join two to four wires together. Easily connect two 16 awg wires to four 22 awg wires with wire joints. Clear insulation makes for proper identification of usage easy. Perfect for use in an environment where corrosion and vibration are a concern. Often used as a safer replacement for wire nuts.