The Master Lock 5400D portable lock box features a 3-1/4 in. (83 mm) wide metal body for durability. The portable design offers removable over the knob installation. Set your own four-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. Portable lock box fits over door knobs Resettable 4-digit combination Ideal for house keys (see images for storage capacity) Exterior dimensions: 6-1/4 in (158.75 mm) height, 3-1/4 in (82.55 mm) width, 1-1/2 in (38 mm) depth Interior dimensions: 1 in (25 mm.) height, 2-13/32 in (61 mm.) width, 1 in (25 mm.) depth Lock box shackle is 1-13/32 in (36 mm) long, with 1-7/8 in (48 mm) width, 13/32 in (10 mm) shackle diameter Large capacity key lock box enables secure storage of up to five keys; fits most ball, biscuit, and tulip door knob styles For indoor and outdoor use; key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching
