Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt, 2 Pack)

Compatible: with a long bolt, used for side post terminal, battery negative post 3/8" hole only, DC 12 V system, rated current: 125 A, On/Off 2 position., Convenience: knob type, easy to install & simple to use. Loose / twist of the knob, then power will cut., Heavy Duty: solid made, rust and corrosion resistant, durable made for safety use., Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely., Compatible with GM side post batteries or other batteries which have a 3/8" side post terminal, also used for electrical equipment.