These aluminum window brackets are replacement parts Hehr 2000 Series Jalousie windows. They work in Left & Right pairs to hold each 4″ tall piece of glass in the window.
For ease of reference, please measure from the lower glass ledge to the first hole. On these clips, the distance is 2-1/8″. Please carefully inspect your windows to make sure that measurement and the overall shape are the same as your other clips. They are sold as pairs.