How Long Is The Barlock? wyndham January 27, 2021 23:39 Updated The Barlock is adjustable from 38cm to 68cm in length. Related articles How Secure is the Panel? How does the barlock work? Breed Suggestions for Sizes Does The Patio Pet Door Work With Double Sliding Doors Can I use my existing locks? Comments 0 comments Please sign in to leave a comment.