Master Lock 1803 Fortress laminated steel padlock with a unique key. The layered steel body and case-hardened shackle deliver strong, reliable security for sheds, gates, toolboxes, and storage areas.

• 1-1/2" wide laminated steel body for layered cut resistance
• 1/4" case-hardened steel shackle resists cutting and sawing
• 7/8" shackle clearance, 3/4" shackle height
• 4-pin tumbler cylinder for pick resistance
• Two keys included per lock
• Keyed Different: each lock opens with its own unique key
• Suitable for sheds, gates, storage units, toolboxes, and lockers

Tip: Lubricate the cylinder once a year with a graphite or dry PTFE lock lubricant. Avoid oil-based lubricants, which can attract grit and gum up the pins.