This periodic house door key is made of forged brass with a nickel finish applied. Overall length: 3 1/8”;    Bit is: 3/8” X 3/8”;    Solid Barrel; The package contains one skeleton key for interior door lock. This skeleton key replacement can be used as a master key for internal door mortise locks and rim architectural locks which are also known as night latches. Selecting the correct skeleton key is not an easy process. Please check barrel and bit dimensions before purchasing any replacement for antique keys. Skeleton keys are truly trial and error. Please check barrel and bit dimensions before purchasing the cabinet door key.

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Overall length: 3 1/8”
Bit is 3/8” X 3/8”