Mini Battery Switch Key with Removable Knob – 32V & 100A. These Mini Battery Switches feature a removable knob for extra security. To remove, simply twist the cap to the OUT position and pull. Mini footprint makes it ideal for close quarters. The 422732-1 is rated at 100A continuous and 150A cranking amps. Installation is as easy as drilling a 1-1/8in hole for the 422732-1, inserting the socket body, tightening the locking nut, and connecting the wires. Features: 3 Switch positions: On, off, and out. Constructed of machined brass and injection molded nylon. Specifications: Switch Face Width: inch 1-1/8in. Volts: 32. Amps: 100. Stud Diameter: inch 1/4in.