MaxWorks 70896 12 Volt 300 Amp Battery Disconnect Cut Off Kill Switch with 2 Keys Helps in preventing battery drain when repair cars/trucks or when in storage Rugged copper terminals, nuts and washers. Includes 1/4" x 3/4" studs. Two 3/16" mounting holes and 5/16" brass terminals 300 Amp capacity with two removable keys Provides an effective way in avoiding or deterring auto theft