Seeking Top Sash Guide

A home owner from Hobe Sound, FL says:
March 6, 2019
Please help me identify this top sash guide. It's measurements seem a little off your dimensions for comparable looking guides, like 18-176. For example, the top piece seems to be 1 inch wide, however it is worn a bit. The length seems to be 9/16. The sideview seems to be correct -5/8" inch wide at the top, 9/16
From side to side under the top flanges.
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Bob from SWISCO responded:
March 6, 2019

Thanks for posting. After talking it over with my colleague, we think you should instead take a look at our 18-015. Its shape is a bit closer to your old top sash guide, though it lacks the bottom slit. Take a look, compare the dimensions, and see if you think you could adapt this to work for you.
Top Sash Guide
Top Sash Guide
18-176
$1.51
PGT Top Sash Guide
PGT Top Sash Guide
18-015
$2.98
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