Master Lock Lock Box, Set Your Own Combination Portable Key Safe, 2-3/4 in. Wide, 5406D,Black, Grey Product Description The Master Lock 5406D Portable Lock Box features a 2-3/4in (70mm) wide metal body for durability. The shackle design offers over the door mounting for convenience. Set your own 3-digit combination for keyless convenience and increased security. The flexible cover protects combination dials from weather, dirt and grime; and vinyl coated shackle prevents scratching.. From the Manufacturer Select who can access your property. Children after school, cleaning service, elder care, repair service or pet sitter. The Master Lock compact key safe holds 2-3 keys or card keys. It has a resettable combination lock so you can select an easy 3 digit number. This unit has a solid die cast body that is reinforced to withstand hammering and sawing. The molded cover protects the combination dials from weather, dirt and grime. The vinyl coated shackle and rubber pad protect property from scratches. 2-3/4" wide body. Features LOCK BOX APPLICATION: For indoor or outdoor use; small portable lock box is best used for key and access card storage; holds 1-2 keys for a house or car EASE OF USE: Resettable 3 digit combination for keyless convenience, set and reset your combination allowing thousands of personalized combination code options DURABLE DESIGN: Lock box made to fit over a door knob for portable use; metal body and shutter door for durability, vinyl coated shackle to prevent scratching; Fits most ball, biscuit, and tulip door knob styles SPECIFICATIONS: 2-3/4 in wide lock body; 13/32 in. diameter shackle with 1-13/32 in. length, 1-7/8 in. width; Internal dimensions: 1 in. height, 2-1/4 in. width, 3/4 in. depth USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.