Spiral balance old metal foot is broken. These windows are designed so the "metal foot" is flush to the bottom of the window. I don't know how a newer model spiral balance will be attached at the bot
Question above how does the newer spiral balances attach to a window that has a metal base that is flush to the bottom of the window. The tube is 21" long and 5/8" wide. What product can I use to replace the broken spiral balance. How is it attached?See pic 1&2 pic 3 is the unbroken one