SPDT= Single Pole Double Throw. This is a 2 position switch which stays in the position you switch to. Panel hole required is 5.8mm dia.
10x Miniature Toggle Switch SPDT SPCO Hobby Model Railway UK STOCK Location= 900
Gaugemaster GM508 SPDT Miniature Toggle Switch
Mini Miniature Toggle Switch Model Railway SPST SPDT
SPDT Miniature Toggle Switch on-off-on Centre Off Model Rail Hobby 6g ED22
5 Pcs SPDT Miniature Toggle Switch on-off-on Center Off Model MTB-SPDC 26g ED22