| 1 | Pin-tumbler locks are the most common. | |
| 2 | Disk-tumbler locks are often used in desks and file cabinets. | |
| 3 | Its security and firmness are same as general spring lock. | |
| 4 | Lever-tumbler locks are often used in briefcases, safe-deposit boxes, and lockers. | |
| 5 | There are three types of tumbler locks, pin-tumbler, disk-tumbler, and lever-tumbler. |
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