SWISCO - The Replacement Hardware Authority

Mullion or window grid pins

A home owner from Lemont, IL says:
I need to replace a lot of these pins. But, what is the sleeve and how is it used? My mullions/window grids are held in place by pushing the pin directly through the grid and into the window frame (right in front of the glass). I don't see how the sleeve can be used. Is it like a drywall anchor? Any details would be greatly appreciated.
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Paul from SWISCO responded:
Good question! Some manufacturers use the plastic sleeve in the window frame so you don't wear out the hole for the pin.
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