The Master Lock no. 5422D portable push button lock box features a 3-1/8 in. (79 mm) wide metal body for durability. The shackle design offers over the door mounting for convenience. Set your own 4 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 can trust. • Large capacity key lock box enables secure storage of up to five keys; fits most ball biscuit, and tulip door knob styles • Set your own alpha/numerical 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 UPC: 071649341670 Weight: 0.57 lbs RKU: LOW1447266