TecMate Optimate SAE Socket with Front Panel Mount Create a weatherproof bulkhead/panel mount SAE power point. Connector body fits a Ø1"/25mm drilled hole. Rubber expander bushing secures the connector in the hole. Ideal for DIY Solar Charge Battery Box. Features: Length=12"/30cm Industry standard 2-pin SAE connector Cable max. rating: 10 Amp -40°C/-40°F very low temperature use; remains flexible at 'below freezing' temperatures. Includes in-line rubber seal for OptiMate heavy duty SAE connector.