B1 5 GAUGE PRECUT MORTICE KEY

The B1 5-gauge pre-cut mortice key is a standard replacement trade key used primarily for older, traditional 2-lever mortice locks commonly manufactured by brands like Gibbons, Legge, and Union.

The 5-gauge measurement refers to the specific shaft thickness of the key approximately 5.38mm, while B1 dictates the distinct cut pattern of the key's bit.

Information and illustrations are to the best of our knowledge and sourced from various sources.

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