The mechanisms in this category have all been made at some time by Avocet. They have manufactured under different names over the years and have rebranded a few times as well.
Avocet Hardware are currently in Administration and a buy out is being sought. We don't know at the minute what the supply chain of Avocet locking mechanisms will be like for the future.
Mulitpoints made by this company do not necessarily have a name on the locking strip. The different brands are