"CRYSTAL" Brand Security Profile Lock Cylinder

Key details about the lock:

• Brand: Crystal (sometimes appears as Crestal or Defaons Crystal)  
• Model/Article Number: ART. 2008  
• Type: Security Profile lock cylinder (euro cylinder style)  
• Material: Often made of solid brass for durability  
• Security Features: The lock comes with security keys and often features protection against picking and manipulation.  
• Contents: The package typically includes the lock cylinder itself and multiple keys (often 3 or 5, as seen in the image and search results).