4 Pack Window Sash Balance Pivot Bars 6970 Compatible with Single or Double Hung Window,with 8 Screws

["Compatibility: The window sash balance pivot bars 6970 is suitable for most single- or double-paned hung windows","High-quality materials: The window pivot bar is made of high-quality metal materials and is precisely manufactured. It is sturdy, wear-resistant, corrosion-resistant. It can ensure stable performance during frequent use and effectively extend the service life of the window","Easy To Install:The design of the window sash balance pivot bars easy to replace, and no excessive tools are required. The entire process is straightforward and quick, and the installation can be completed in just a few minutes. You don't even need to exert too much effort.","Package Includes: 4 pack window sash balance pivot bars 6970 with 8 screws"]