Mini Electronic Stainless Steel On/Off Key Switch, 12x21mm, 24V/0.5A max, same-lock

Mini recessed key switch with make/break contact.
By turning the key a quarter turn, the circuit can be opened or closed (NO/NC).
The key is removable in both positions.

Useful for turning specific functions on or off where a push button is not sufficient.  

Specifications:
Material: stainless steel 
Drill size: 12mm
Lock plate diameter: 14,5mm
Material thickness for installation: 0-5mm
Total length including contacts: 23,5mm 
Connecting contacts: 2x 0.4x2.1mm 
Including 2 keys  

These key-operated switches are keyed alike and can therefore be applied to multiple devices and used with the same key.
used with the same key.