Camco 63868 22-18 Gauge Heat Shrink Butt Connector - Pack of 3
These connectors provide a rugged connection that will insulate, seal and protect joints from abrasion, water, salt and other corrosive compounds. No special tools are required. Simply heat the insulation and the adhesive will melt and flow, filling any existing voids and creating an all-weather seal.
MFG Part Number: 63868