Net Weight: 120g

These high quality switches are made of zinc and brass (not soft lead).
Brand new battery master disconnect switch, battery isolator, and starter immobolizer for cars and trucks with Top Post batteries.
This switch fits the slightly smaller negative post of all standard sized automotive top post batteries.
This extremely handy cut off switch enables you to quickly and easily disconnect your automobile battery for safety, servicing, or storage. They are recommended by classic car insurance companies and required by many auto storage companies.
As shown in the photo you simply install this battery isolator switch on the negative post of your top post battery, then attach your battery cable to the back of the switch and you are done! To engage power just hand tighten the green knob and just slightly loosen the green knob to disconnect all power. The green knob can also be completely removed to help discourage unauthorized use.