No Tools Required For Installation.
Flat Tension Springs are heat treated
spring steel. They slip into corners of 5/16 to 7/16 inch (7.9 to 11.1
millimeter) screen frame to help keep screens held tightly in the window
channel. No tools or drilling is required for installation. The spring simply
slips into the square or mitered corner joint of the screen frame.
Minimum Order: 1 Package (six springs per package).