These Prime-Line PL7776 tension springs hold window screens securely inside sliding aluminum window screen channels. The heat-treated, zinc-plated steel springs mount in the corner of the screen frame and require no tools for installation. Fits 5/16", 3/8", and 7/16" thick screen frames.

• 6 springs per pack
• Fits 5/16", 3/8", and 7/16" thick screen frames
• Heat-treated, zinc-plated steel
• Corner-mount design - no tools required
• 2-3/4" length
• Holds screens in sliding aluminum channels