The Master Lock 1840D Fortress Series padlock provides dependable everyday security for sheds, toolboxes, storage lockers, and gates. Built with a solid aluminum body and case-hardened steel shackle, this padlock resists cutting and prying for reliable protection.

• Aluminum body for lightweight durability
• Case-hardened steel shackle resists cutting and sawing
• 4-pin tumbler cylinder for pick resistance
• 1-9/16" body width
• 7/8" shackle clearance
• 1/4" shackle diameter
• Keyed different - each lock has a unique key