Keyed Padlock, Security Level: Medium Security, Shackle Dia.: 3/16", Shackle Height: 2-1/2", Shackle Width: 1/2", Shackle Material: Steel, Shackle Configuration: Open, Body Height: 1-1/16", Body Width: 1-1/8", Body Thickness: 1/2", Body Material: Steel, Shape: Rectangular, Color: Silver, Number of Bumpers: 2, Number of Pins: 4, Key Type: Keyed Different, Control Key Registration Required: No, Weatherability: Some Corrosion Resistance, Includes: Two Keys