This window balance has an aluminum channel housing. It features a heat treated, high tension steel spring and is 5/8 in. wide. It is designed for use on 12 to 18 lb. sash windows.
- 0.455 lb.
- Block and tackle leverage
- Heat treated high tension steel spring
- Aluminum channel housing
- Note: top and bottom guide shoes are not included with this item and must be ordered separately; refer to installation instructions link below for proper selection of parts