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Does “Do Not Duplicate” Mean a Key Cannot Be Copied?

The words stamped on a key do not reveal the whole key-control system. Learn how ordinary keyways, restricted blanks, patents, authorization records, and locksmith verification affect duplication.

A Good Locksmith handing an authorized customer a properly identified duplicate key

The words stamped on a key do not reveal the whole key-control system. Learn how ordinary keyways, restricted blanks, patents, authorization records, and locksmith verification affect duplication.

Experienced North Carolina locksmith guidance

This guide was prepared by Michael Galdine, owner of A Good Locksmith, LLC. Mike has 35+ years of professional locksmithing experience and established the business in 1994. The article covers Do Not Duplicate key, Restricted key duplication, Keyway authorization, Patented key system, Harnett County locksmith for property owners, drivers, landlords and businesses.

Mobile locksmith service from Lillington

A Good Locksmith provides licensed mobile service from Lillington throughout nearby Harnett County, southern Wake County and Lee County. Call with the exact address and service needed so current availability can be confirmed.

Lillington locksmith service · Harnett County locksmith service · Fuquay-Varina locksmith service · Sanford locksmith service

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Talk directly with an experienced locksmith

Call A Good Locksmith to discuss the lock, key, door or security problem and current mobile availability.

Call (984) 480-5397