I purchase 12 item # 18-018 but it was the wrong Item, pls help me identify the part in the photos.
Tom from SWISCO responded:
December 3, 2020
Your top sash guide looks like a better match for our 18-201. However, before you place an order, please make sure to carefully review the dimensions we show on the 18-201 store page to ensure that they all line up.