These are on both sides at the top of each balancer. They have two screws to attach it to the sides. So I need a total of 12 (6 windows)
Casey from SWISCO responded:
February 8, 2023
Hello, Take a look and compare the dimensions of the 18-180 top sash guide to yours. Thanks for posting! Detail of 18-180
Side view of 18-180
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