The MasterLock 4688D is a TSA-approved combination padlock designed for securing luggage and travel cases during air travel.
- Type: TSA-Approved Combination Padlock
- Access Method: 3-Digit Resettable Combination
- Shackle Material: Hardened Steel
- Body Material: Zinc Alloy
- Shackle Clearance: 3/4 inch
- TSA Indicator: Red Flag
- Application: Luggage, Travel Cases, Firearms Cases
