12V Battery isolator switch
DURABLE: This 12V battery isolator switch is made from copper plated zinc alloy. ROTARY ON/OFF KNOB: It has a handy rotary on / off knob for ease of use. QUICK BATTERY DISCONNECTION: The isolator switch provides quick battery disconnection for security and storage. FITS 12V BATTERIES: It is designed to fit all 12V negative battery posts on cars, caravans, vans and motor homes.