This is your basic on/off toggle switch which is slightly smaller than the heavey duty ones. It's rated at 250V at 3A and comes with a washer and nut for mounting.
Shift Diameter: 0.5mm
Votlage: 250V at 3A
Votlage: 125V at 6A
It has 3 solder terminals and 2 switch positions for your basic on and off.