Battery Master Disconnect Knife Switch Marine Boat Truck Tractor

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Ideal for agricultural machinery, construction equipment, ships, leisure boats, etc., that are not used for long periods, or only a few times a year or for one season.

By using this switch on the negative terminal of the battery, you can reduce the hassle of attaching and detaching the terminal, as it does not need to be removed every time.

For D-type terminals. The size is Φ17mm.
It is tapered and has a bolt, so you should be able to insert it firmly all the way down.