Stop Lock is no longer being manufactured.

Control keys for existing installations are available for $10.00 ​

STOP LOCK
THE TECHNOLOGICALLY SUPERIOR SCHOOL LOCK COMP

​Welcome former customers of
Stop Lock Company
Discontinued control keys are available
Purchased orders preferred by email or fax
30 days terms to approved accounts​​

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Resource Websites
​
          www.MasterLock.com                          www.AmericanLock.com             www.ZephyrLock.com

Master Lock
 
        Lost Chart Book      
        Combinations on CD    
                 Warranty                
        Built-in installation instructions
        Built-in change combinations

Master Lock Videos
​
BlockGuard Anti-Shim   
   Change built-in combinations        Simple combinations

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