I have a broken sliding half screen that fits in tracks of my double hung vertical sliding window. I have found the stamp on the aluminum spacer between the glass that reads
A home owner from USA says:
July 29, 2015
After looking at your corners I tried to take the measuremets that seemed key-
3/16 thick
1 3/8 corner to tip
3/8 wide
Paul from SWISCO responded:
July 30, 2015
The corner key looks like our 95-129. You could try to pull out the broken one, but most times you just knock in the broken piece further into the frame to make room for the new corner. Our 59-150 spline should work fine with this fiberglass wire.