This listing is for a new old/stock Burgess-branded 5A-4 twin microswitch assembly with two buttons as per the listing photos.  These were removed from a new GPO plan phone 105 extension telephone and are in absolutely perfect condition, despite being 30+ years old.

Any questions, britphone.net

Postage & packing is charged at £1.25, all products are sent in a letterbox-sized cardboard box to ensure the arrive in pristine condition.  No additional postage charged for additional sets ordered at the same time.