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

THP Series

The Positive Lock THP model is UL listed Panic Hardware, and meets all Life Safety and Building Code requirements.  If you are looking for a panic hardware device for the back of your shop, restaurant or business then the THP 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.