Name: MK121 Key Switch Lock. 

Specifications:
• Material: zinc alloy. 
• Finished: bright chrome. 
• Key combination: 10000. 

Specialty: 
1. 7 pin tumbler mechanism. 
2. 2 position (off-on) 2 terminals. 
3. Customer-oriented development available. 

Application:
Elevator, electrical equipment, automobile, server, machine & equipment, switch gear box, locker, coffer, etc.