These keys are for the older version of the magna latch (the newer version uses a 6 pin key), for a single lokk latch, double lokk latch. Any non-six pin key lock system for D&D Products. Insure you have a Top Pull Magna Latch and the old design which uses this type of key. Newer model Top Pull Magna Latches use a different key and similar latches that are alternatives to magna latches (but look similar in concept) use a different key. If unsure, please contact us before purchase and we will help advise.