Lower window sash block.

A handy person from Florida says:
October 14, 2022
Is the lower window sash block mounted onto the upper corners of the sash to catch the top end of the balance?
If not what is that component called?
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Tom from SWISCO responded:
October 19, 2022

No, the lower sash block mounts on the lower end of the sash. The part you're looking for is called a top sash guide.

You can see our full selection here.
Lower Sash Block
Lower Sash Block
17-016
$1.91
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