the mechanism was "hidden in the window frame. I have several windows where these are stripped I ccant close the window only open
the arm says entry guard Truth 20810
the length is 4 and 1/2
Casey from SWISCO responded:
August 11, 2022
Hello,
I would recommend starting by comparing the dimensions shown on the 39-031 and 39-032 product pages to your operator, paying close attention to the length of the shorter link arm. Thanks for posting!