The profession encompasses securing residential, commercial, and automotive properties through the installation, repair, and maintenance of locking mechanisms. This involves tasks such as key cutting, lock rekeying, and the provision of emergency lockout services. For example, a skilled professional might install a high-security deadbolt on a residential door or program a transponder key for a vehicle.
Their expertise contributes significantly to safety and peace of mind, safeguarding valuable assets and ensuring controlled access to various locations. Historically, these artisans were essential for crafting intricate locking devices, and their skills remain vital in modern security systems, adapting to technological advancements such as electronic access control.