Master Lock 1KALF 3680 Padlock With Cross-Platform Capability

Q: Are My No. 1KALF-3680 Padlocks Keyed Alike Or Master Keyed?

A: The "3680" Locks, Which Are Part Of Master Lock's W1-Keyway, Are Keyed Alike.

For Full Group Of All "3680" Padlocks: 

No. 1KA-3680

No. 1KALF-3680

No. 1KALJ-3680

No. 3KA-3680

No. 3KALF-3680

No. 3KALH-3680

No. 5KA-3680

No. 5KALF-3680

No. 5KALJ-3680

No. W1-3680 Keys

Q: What Makes A Padlock Master Keyed Instead Of Keyed Alike?

A: Master Keyed Padlocks Each Have Their Own Unique Key, But One Master Key In Pinned To Open All Of Them.

• MK Definition: Every Padlock Is Uniquely Pinned, But All Locks Are Part Of A Master Key System Controlled By A Single Master Key
• When To Go MK: For Property Managers, Schools Or Security Departments, Where Users Need Their Own Keys But Administrators Need Universal Access
• MK_Example: A Group Of Master Lock 1MK Padlocks Each Have Its Own Key Number, But One Master Key (Designated By The "MK" Code) Opens All In System
• MK_Benefits: Provides Hierarchical Control And Permits Individualized Access
• Non-Benefits: More Complex To Expand, Must Be Planned & Ordered Efficiently

Factory Order Information: "3680" Padlocks Require 16-18 Working Days To Ship From ML