Description Over-the-door-knob design for portable installation Large internal cavity prevents jamming, even when holding multiple keys Set-your-own combination convenience for optimal security Set-your-own 4-digit combination for keyless convenience and increased security Protective weather cover prevents freezing and jamming Molded body and vinyl coated shackle prevent scratching Also available with personalized laser engraving Stores up to 5 keys for additional ease and convenience For indoor and outdoor use, key safe is constructed with metal body for durability, vinyl coated shackle to prevent scratching and shutter door to protect from weather Specifications Type: Security Body Width: 3-1/4" (83mm) Shackle Diameter: 13/32" (10mm) Shackle Clearance Height: 1-13/32" (36mm) Shackle Clearance Width: 1-7/8" (48mm) Colour: Black/Silver Key Type: Resettable Material: Steel MINIMUM ORDER: 2