Make-2-Fit 14624 Flat Window Spring, 2-13/16 Inch (Pack of 50) - Replacement Springs for Window Screens, Storm Windows & DIY Home Repairs

These flat springs are constructed heat-treated steel and are finished in plated zinc. They feature a 3in wide arched span and are made of flat steel. These tension springs are used to hold window screens into sliding aluminum window screen channels and require two (2) 3/16in holes drilled 3-3/16in apart.