Black iWC window latch. There is a number 3 on the back left side, a number 207 on the back right side, and a number 4 on the back middle
Paul from SWISCO responded:
December 6, 2019
Let's have you start off with taking a good look at our 90-005 window lock. Compare the space hole measurement with ours and let us know if this would make a god substitute.