North Carolina Locksmith Practice Exam

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What does the term 'Blade' refer to regarding keys?

The part that contains the cuts and millings
The entire key structure
The portion that serves as a grip
The key's uncut form

The correct answer is: The part that contains the cuts and millings

The term 'Blade' in relation to keys specifically refers to the part that contains the cuts and millings. This section is crucial for the key's function, as it interacts with the pins within the lock. The specific pattern of cuts and millings on the blade determines how the key will align with the lock's internal mechanism, allowing it to turn and operate the lock correctly. The other options describe different parts or characteristics of a key but do not accurately define what the 'Blade' is. The entire key structure encompasses all parts of the key, including the blade, but 'Blade' refers specifically to the cut part. The portion that serves as a grip is typically called the head of the key, where the user holds it, which is separate from the blade. The key's uncut form refers to a blank key that has not yet been shaped to fit a specific lock, which is fundamentally different from the defined structure of a blade.