It's a spring loaded corner from a 1/4 inch thick frame
A quick learner from Wayland, MA says:
October 20, 2022
Looking for this part. Both RH and LH.
Paul from SWISCO responded:
October 25, 2022
Hello,
We believe you can use the 91-004 and 91-005 corner latches for your repair. The leg is 1/4" wide by 1/8" thick. These corners are self-locking, so you won't need to punch them. The top tilt corners would be the 95-026 and 95-027. Thanks for posting.