To be more specific, what I'm looking for is a cut off switch at the battery exactly like the one pictured, but with a bigger contact area and probably a much higher price...
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.