STEELMASTER Drop-In Key Control Boxes, Keyed Differently, 4.38 x 7.25 x 3.25 Inches, Gray (201980001) Secure key drop boxes Disc tumbler lock mounted on door is keyed differently with 2 keys included Pre-drilled holes with mounting hardware make for easy installation Employees, contractors or customers can drop keys into the slot opening on top of the box at any time Available in gray and measures 4.38 x 7.25 x 3.25 Inches in size