D N J Locksmith is a mobile locksmith in Woodlands that works islandwide. It opens and unlocks doors, replaces and changes locks, services locks, and rekeys them. Customers call it for locked bedroom doors and gates, and say it responds quickly. One customer phoned in the early evening, and the locksmith came out the same evening and had the door open within minutes. Another was saved when a locked gate needed opening urgently. A parent whose son was locked in a bedroom with a faulty lock says the team opened the door within minutes and fitted a new lock on request. Customers describe the team as efficient, friendly and professional. Punctuality and reliability come up often in the reviews.