709 H3 & Energy Saver (Concealed Jamb Liner) Block & Tackle Channel Balance
709 H3 & Energy Saver (Concealed Jamb Liner) Block & Tackle Channel Ba
Also used on other manufacturers windows - customer will have identify and match up picture.
To order block and tackle balance: See number stamped on side of metal and match it up to the options.
Due to the multiple sizes available these are not a stock item and have a 3 week lead time. Special order item NO returns.