Portable lockbox safely contains your keys while allowing easy access. Dome-shaped dial with a slick metallic finish requires minimal effort to operate. Shackle diameter measures 9/32 in. while shackle clearance top to bottom, 11/16 in. and side to side 13/16 in.. Strong, die-cast zinc construction. Hardened steel shackle for extra resistance. Easy-to-grip, dome-shaped dial with slick metallic finish. Cut-resistant material prevents unauthorized access