The Master Lock No. 5406D Portable Key Safe 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. The Limited Lifetime Warranty provides peace of
mind from a brand you can trust.