Compatible: used for top post terminal, 17-19 mm cone / tapering battery POSITIVE post only, DC 12V- 24V system, 250A continuous and 750A momentary at DC 12V, on/off 2 position. Convenience: horizontal knife blade type, can change to vertical knife blade type easily (2 directions), very easy to install & simple to use. Lift the knife, then power will cut. Heavy Duty: solid brass 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. Used for Car, Vehicle, RV and Boat batteries which have a standard 17-19 mm cone top post terminal, also used for electrical equipment. Ampper top post knife blade battery disconnect master switch for Marine Car Boat RV ATV Vehicles

Specifications:
1, Used for top post terminal, 17-19 mm cone battery POSITIVE post only.
1, On/Off 2 position.
2, Voltage: DC 12V- 24V, 250A continuous and 750A momentary at DC 12V.
3, Easy to install & simple to use.
4, Knife blade type, lift the knife, then power will cut.
5, Solid brass made, rust and corrosion resistant, durable made for safety use.
6, Can stand alone or be locked together with other switch.
7, 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.
8, Used for Car, Vehicle, RV and Boat, also electrical equipment's switch.
9, Package size: 3.9" x 2.75" x 2.75".

Complete kits includes:
1 x battery switch
1 x nut and bolt