Top sash guide help

A quick learner from USA says:
can you help me?
User submitted photos of a top sash guide.
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Paul from SWISCO responded:
It's tough to say what might replace this without dimensions, but compare your top sash guide to our 18-008 or 18-188. The critical dimensions are the width, the depth, and the hole placement. See what you think!
A landlord from Wallingford says:
5 3/4 long top square is 2 1/3 X 2 2 1/4 x 2 1/8

dimensions HELP!!
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Paul from SWISCO responded:
I'm sorry... I don't understand those dimensions. What measurement system are you using, metric or imperial? We need the length of the top sash guide, as well as the width and depth.
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