Master Lock 5400D Combination Portable Lock Box Metal/Steel 3-1/4 in W

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.