OptiMate O1 SAE71 Weatherproof Eyelet Lead x4 Pack
It has a rubber cover for the 2-pin connector to keep the electrical connects dry and corrosion free. STYLE:Rubber sealing cap & shroud for OptiMate heavy duty SAE connector. CONNECTORS:1/4″ (M6) / 5/16” (M8) eyelet to SAE.