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.

Features:

• Over the door knob design for portable installation
• 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
• Large internal cavity prevents jamming, even when holding multiple keys