They are single pole changeover though can obviously be used as an on / off. 

High specification miniature switch, no longer in manufacture, these are new old stock and the bodies may appear a little tarnished, but the switches are perfect. 

Rated at 250V 3A, with solder tag connections.

Dimensions of the body including connections are approximately 13mm x 6mm x behind panel depth of 17mm.

Chrome plated actuator and requires a 6mm panel hole.