Lock Mechanisms

To help in determining what lock mechanism you are asking about

 

Here is a list of where it is common to find each lock mechanism:

Disc Tumbler: Cabinets, Showcases, Storm doors, Old Bicycle Locks 

Pin Tumbler: Exterior Door Locks, Padlocks, Bicycle Locks

Warded: Padlocks, Antique Door Locks 

Wafer Tumbler: Vehicles, Cabinets

Dimple: Bicycle Locks

Tubular: Vending Machines, Bicycle Locks

Inner Groove: Vehicles, Bicycle Locks

Disc Detainer: Padlocks, Bicycle Locks

Lever Tumbler: Antique Furniture, Safety Deposit Box