There are many different types of locks that you can purchase for your front door. The most common types of locks are knob locks, deadbolts, padlocks, and levers. Here is a brief breakdown of each of these locks.
Knob Locks - Knob locks are typically the primary lock on residential properties. 
Deadbolts - There are three different types of  deadbolts which are single, double, lockable thumbturn. 
Padlocks - A padlock is not a permanently attached lock. 
Levers - Lever doors are most commonly used at commercial property for interior doors. 
