The spring steel-constructed Prime-Line Products Wood Window Sash Spring allows for the repair of broken sash cords without sash removal and features a vertically-hung corner-mounted design.
- Increased friction against jamb prevent sagging due to broken or weak sash cords
- Quickly mounts in the upper or lower corner sash against the jamb
- Easy to install
- Spring steel construction
- For further dimensional information, please see the line drawing













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