You are Buying a Brand New And factory Sealed Master Lock Lock Box, Resettable Push Button Combination. Product Overview The Master Lock 5422D Portable Push Button Lock Box features a 3-1/8in (79mm) wide metal body for durability. The shackle design offers over the door mounting for convenience. Set your own combination up to 12 letter, number or both character combination for keyless convenience and increased security. The protective weather cover prevents freezing and jamming; and molded bumper and vinyl coated shackle prevent scratching. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust. Key lock box enables secure storage of up to five keys; fits most ball biscuit, and tulip door knob styles Set your own alpha/numeric combination lock box; reset the combination for multiple 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 weather cover to protect combination buttons Exterior dimensions: 4-5/8 in. (11.7 cm) H x 3-1/8 in. (7.9 cm) W x 2-1/16 D (5.2 cm); 13/32 in. (10 mm) diameter shackle with 1-5/6 in. (47 mm) L, 1-13/32 in. (36 mm) W Interior dimensions: 3-1/2 in. (8.9 cm) H x 2-1/4 in. (5.7 cm) W x 1 in. (2.5 cm) D; 7.9 cu in. (20 cu cm) volume. Portable Lock Box fits over door knobs Resettable push button combination (up to 12 characters) Ideal for house keys and most key fobs.