Don't worry about losing, forgetting, or making extra keys time and time again! install this adjustable door knobs yourself -- with nothing more than a screwdriver. Fits in standard door knob installation hole. This lock works for exterior, interior, side, or garage entry doors. When the door is locked, the knob disappears. For security reasons, the lock is designed to be back to "lock" position within three seconds automatically.
16 points | 50 comments
By Sandford
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