A handy person from West Ryde, NSW, Australia. says:
October 5, 2021
Hello I am looking for a window spring balance for my window, kind regards Andrew.
Lauren from SWISCO responded:
October 11, 2021
Hello, thank you for posting!
Your coil assembly resembles our 15-087 Housing Pivot which is compatible with our S180-6 coil spring. Please compare the dimensions listed on the product page to confirm!