Keeps Screen Frame Tight in Window Channel
CRL Flat Tension Springs help keep screens
held tightly in window channel. To install you can drill two 3/16 inch (4.8
millimeter) holes or simply use a
WST930 screen frame punch. A
WST900 notching jig and tool can also be used to install the spring into the
base of either 5/16 or 3/8 inch (7.9 or 9.5 millimeter) screen frame.
Minimum Order: 1 Package (Six Tension Springs.)