The Master Lock 5400D Portable Lock Box features a 3-1/4 in. (83 mm) W 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 know and can trust.

• Large capacity key lock box enables secure storage of up to 5 keys, fits most ball, biscuit and tulip door knob styles
• Set your own 4-digit combination lock box, reset the combination for thousands of personalized combination code options
• For indoor and outdoor use, key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching and shutter door to protect combination dials from weather
• Exterior dimensions: 4 in. H (10.2 cm) x 3-1/4 in. W (8.3 cm) x 1-3/4 in. D (4.4 cm), 13/32 in. Dia (10 mm) shackle with 1-13/32 in. L (36 mm), 1-7/8 in. (48 mm) W
• Interior dimensions: 3 in. (8.9 cm) H x 2-3/4 in. (7 cm) W x 1-3/16 in. (3.0 cm) D, capacity for 5 standard keys
• Set your own 4-digit combination