Master Lock 5406D Compact Lock Box

• Over-the-Knob Design for Portable Installation
• Set-Your-Own Combination Convenience for Optimal Security
• Holds 1-2 Keys for House or Car in a Convenient Location for Regular Use
• Vinyl Coated Shackle Prevents Scratching; Flexible Cover Prevents Freezing & Jamming
• Internal Dimensions: 1" (25mm) H x 2-1/4" (57mm) W x 3/4" (19mm) D
  
• Specs_Width: 2-3/4"; A: 13/32" (10mm) B: 1-13/32" (36mm) C: 1-7/8" (48mm)
• Best Used For: Spare Key Storage & Access Card Storage, Security Gates & Fences