The C-Sash Window Corners are designed to provide strong and reliable corner connections for aluminum C-sash window frame systems. Ideal for storm window panel construction, these corner inserts ensure proper alignment and structural integrity during assembly. Sold by: EachFinish/Color: MillMaterial: AluminumDimensions: 1-5/16" x 1-5/16"Width: 3/16"Application: C-Sash Storm Window FramesCompatibility: Use with C-Sash Bar SWH-337Glass Compatibility: 3 mm GlassFunction: Connects and Reinforces Frame CornersPart Number: SWH-338 Constructed from durable aluminum with a mill finish, these corners offer long-lasting performance and corrosion resistance. Their precise dimensions allow for a secure fit within compatible frame bars, helping create a stable and square window frame. Designed for use with C-Sash Bar SWH-337, these corners work in conjunction with pre-assembled vinyl gasketing and insulating pile weatherstrip for 3 mm glass. This system allows for quick and easy assembly, making C-sash storm panels a convenient solution for window upgrades and repairs.