Ball on bar lock interlocks to keeper which allows door to be opened slightly for viewing.
Sliding door pin lock install.
Key lock and housing product code.
Ultimate in security for sliding windows and doors stronger than factory latches unique locking feature prevents pin from falling out or being wiggled out from outside easy installation with all hardware includes pin hanger longer 3 1 2 steel pin with 8 retainer chain so pin is never lost all steel components nickel plated for extra rust corrosion resistance.
Products used in this video.
Gatehouse sliding patio door cylinder lock item 250905 model u 9858 l plated case hardened steel pin locks in retaining ring when engaged or stores in holder when unlocked.