Master Lock 5400D Key Safe | Portable Lock Box with Code

Keep your keys safe and accessible with the Master Lock 5400D Portable Lock Box, a trusted solution for real estate agents, contractors, caregivers, and homeowners alike. Designed to mount easily over any standard door knob, this lock box offers convenient key storage without the need for permanent installation or drilling.

The user-settable 4-digit combination lock provides keyless access and enhanced security—no more worrying about lost or copied spare keys. Its large internal cavity fits multiple keys with ease, preventing jams and allowing quick access when you need it most.

Engineered for outdoor durability, the lock box features a weather-resistant shutter door that protects the dials from dirt, moisture, and freezing. The molded metal body and vinyl-coated, hardened steel shackle resist tampering and prevent damage to your door hardware, offering long-lasting protection and peace of mind.

Whether you're managing multiple properties or just want a safe way to share a spare key, the Master Lock 5400D delivers professional-grade reliability in a portable, easy-to-use format.

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• Over-the-Knob Installation: Portable and secure—no tools or mounting required
  

• Set-Your-Own Combination: 4-digit programmable code offers personalized security
  

• Spacious Interior: Holds multiple keys comfortably (3.5" x 2.75" x 1")
  

• Weather-Resistant Cover: Shields dials from rain, dirt, and freezing temperatures
  

• Rugged Build: Durable metal construction with tamper-resistant coated shackle
  

• Trusted Brand: Backed by a limited lifetime warranty from Master Lock
  
  

Perfect for home access, rental properties, maintenance crews, or emergency entry—the Master Lock 5400D is a versatile, weatherproof key safe that works where you need it, when you need it.

Enjoy free standard shipping on all orders over $150. Read our shipping policy here.

Returns of new, unused items are accepted for
a refund or exchange within 30 days of purchase. Read our return policy here.