When you absolutely, positively, want to lock a door – Use Positive Lock
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TH Lock

TH Series

The TH is a security lock that utilizes a locking rod that goes into both sides of the door frame for increased door security. The TH was the first Positive Lock manufactured, and has been providing exceptional door security for over 25 years. If you are looking for a lock for your personal shop, garage or business then the TH is your best choice!

All Positive Lock models have an (O/A) Outside Access pin on the back to unlock the door from the outside if needed.