Master Lock

Protect your property, wherever you are

Master Lock No. 5400D Portable Lock Box

The Master Lock No. 5400D Portable Lock Box features a 3-1/4in (83mm) wide metal body for durability. The portable design offers removable “over the knob” installation. Set your own 4-digit combination for keyless convenience and increased security. The shutter door protects combination dials from weather, dirt and grime; and molded body and vinyl coated shackle prevent scratching. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

  • Over the door knob design for portable installation
  • Large internal cavity prevents jamming, even when holding multiple keys
  • Set your own combination convenience for optimal security
  • Set your own 4-digit combination for keyless convenience and increased security
  • Protective weather cover prevents freezing and jamming
  • Molded body and vinyl coated shackle prevent scratching
  • Also available with personalized laser engraving – Learn more
  • Internal Dimensions: 3-1/2in (89mm) H x 2-3/4in (70mm) W x 1in (25mm) D

Master Lock No. 5401D Wall Mount Lock Box

The Master Lock No. 5401D Wall Mount Lock Box features a 3-1/4in (83mm) wide metal body for durability. The wall mount design offers permanent installation. Set your own 4-digit combination for keyless convenience and increased security. The shutter door protects combination dials from weather, dirt and grime; and molded body and vinyl coated shackle prevent scratching. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

  • Wall mount design for permanent installation
  • Large internal cavity prevents jamming, even when holding multiple key
  • Set your own combination convenience for optimal security
  • Protective weather cover prevents freezing and jamming
  • Molded body and vinyl coated shackle prevent scratching
  • Internal Dimensions: 3-1/4in (83mm) H x 2-1/4in (57mm) W x 1in (25mm) D

SentrySafe Customer Service is Non-Existent

SentrySafe Customer Service is non-existent. Had to wait on the phone for 40 minutes in the U.S. before someone got on the line to answer one simple question. The recording (while you're on hold) blames horrendous answering times on covid. No, they just need to triple the size of the "Customer Service" team. The Master Lock Company LLC CEO needs to be required to call the SentrySafe "Customer Service" 1-800 number to see for himself/herself how SentrySafe customers receive pitifull "Customer Service"

Some minor annoyances

Master Lock Magnum model m175 xdlf The only problem with this lock is it's not really easy to open up. you really have to yank on it. Also the rubber flap on the bottom which I assume is designed for weather conditions really doesn't stay covered on the numbers. I don't understand what the point of the rubber flap is if doesn't stay covered on the numbers