These are a superb quality double pole changeover heavy duty toggle switch with a centre off position.
They are old vintage stock, that were manufactured to military specifications, we took one to pieces to have a look and the engineering inside is incredible. Bakolite body construction with all silver / plated contacts and components, nickel plated control knob / actuator.Supplied with locking rings and washers.
The switch is rated to at least 10A at mains 250Vac.
Silver plated solder tag connections (6 off).
Quality switch - they don't make them like this anymore !! The control action is surprisingly easy yet very positive, thanks to the superb engineering and design.
Dimensions of the main body are 35mm x 20mm with a behind panel depth of about 30mm required. Mounting hole is about 11 - 12mm.
New and unused.