Managing spare keys doesn’t have to mean hiding them under a mat or coordinating hand offs every time access is needed. The Master Lock 5400EC Key Lock Box offers a secure, dependable way to store and share house keys while keeping control firmly in your hands. Designed with a solid metal body and a protective shutter door, this portable lock box helps shield internal combination dials from rain, dust, and everyday outdoor exposure. The vinyl coated shackle allows the lock box to hang securely over most standard door knobs and handles without scratching surfaces, making it a practical option for both temporary and recurring use. With space to hold up to five standard house keys, this key lock box supports a wide range of real world scenarios. Homeowners can grant access to family members, dog walkers, or service professionals without duplicating keys. Short term rental hosts can simplify guest check ins and reduce lost key headaches. Real estate professionals can use it to coordinate showings efficiently. It also serves as a valuable solution for emergency access planning, especially for seniors or caregivers who need reliable entry when timing matters. The resettable four digit combination gives you flexibility as needs change. Update the code whenever access permissions change, without replacing the lock or managing physical keys. This makes the lock box especially useful in shared or transitional environments where control and accountability matter. Compact on the outside yet thoughtfully designed inside, the Master Lock 5400EC balances security, convenience, and durability. Whether mounted temporarily during a project or used daily as part of a home access routine, it delivers peace of mind through simple, proven design from a brand known for dependable security solutions.
Spare key storage: This durable key lock box holds up to 5 standard house keys in one locked spot, giving family, renters, and trusted helpers controlled access without hidden spares
Weatherproof outdoor key safe: A solid metal body and protective shutter door shield the dials from rain, dust, and daily exposure; a reliable way to hide a key outside, built for year-round use
Resettable combination lock box: Set your own 4-digit code and reset it anytime, with no keys to copy or locks to replace; thousands of code options give flexible access for guests, contractors, and cleaners
Compact, portable and damage-free: Hangs over most ball, biscuit, and tulip-style door knobs, plus gates, fences, and select mailboxes; the vinyl-coated shackle installs in seconds without scratching surfaces
Built for realtors, rentals and homeowners: A reliable realtor lock box for property showings, also used by Airbnb hosts, vacation rental owners, and families managing house key storage for caregivers
Exterior dimensions: 6-1/4 in (158.75 mm) height, 3-1/2 in (88.9 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 diameterLarge 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