Cabinet cam lock. I think thats it.

nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq5tvv6c5rdcj2z03r5sw5dzl36qx2kkpqe47yscckve5a2h0psststdvuvh It's a cam cylinder. The lock inside is a wafer lock. Usually just called a "cam lock" because stupid.