The Master Lock 5400E Portable Shackled Combination Key Safe is a secure key storage solution designed for convenient access at home or on the go. This versatile key lock box holds up to three house or car keys and can be locked in place over a door knob or handle, making it ideal for contractors, landlords, or tradespeople who need to provide secure key access. The 4-digit tumbler combination can be set to your own code for quick, convenient access without the need for additional keys. The key storage door pivots open smoothly and remains attached to the lock body during operation, whilst the moulded body and vinyl-coated shackle prevent scratching of door furniture and handles. Built for durability and security, the 5400E features a reinforced body that withstands hammering and sawing attempts, whilst the hardened steel shackle resists cutting. The protective cover shields the combination dials from dirt and grime, ensuring reliable operation in outdoor conditions. All Master Lock pr