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What type of cylinder typically has a uniform cross-section and is generally used in mortise locks?

  1. Profile Cylinder

  2. Pin Cylinder

  3. Peanut Cylinder

  4. Mortise Cylinder

The correct answer is: Profile Cylinder

A mortise cylinder is characterized by its uniform cross-section, which fits into a mortise lock installation, providing a secure and stable locking mechanism. Mortise locks are installed within the door itself, making a mortise cylinder essential for their functioning. This type of cylinder allows for various keying options and usually integrates with a latch and deadbolt mechanism within the mortise lock, delivering enhanced security. While profile cylinders refer to a specific design often used in European-style locks, pin cylinders aren’t typically associated with mortise designs, as they might be found more commonly in simpler, cylindrical locks. Peanut cylinders, which are less common, generally serve different locking configurations or specific applications that don't align with standard mortise locks. Thus, the distinctive attributes of a mortise cylinder align closely with the needs of mortise locks, making it the appropriate choice in this context.