The Gardner Bender 20/10 amp Toggle Switch features an O-ring and has screw terminals for quick and easy connections. The switch offers single pole, single throw (SPST) On/Off circuitry in a classic bat handle design for easy usage. This switch is compatible with standard 1/2 inch mounting holes. Use for industrial equipment or emergency lighting On-OFF DPST circuitry 3/4 HP at 125/250 Volt AC 3 Screw terminals for quick and easy connections UL listed Compatible with standard 1/2 in. mounting holes Classic bat-handle design for easy usage The Gardner Bender 20/10 Amp Toggle Switch fits standard 1/2 in. mounting holes and features screw terminals for quick and easy connections.