Weather Shield Storm and Window Screen Frame Corner Key

External Storm and Window Screen Frame Corner Key with Flange for Square cut Frame Material 

Used by Weather Shield  and others 

Application: Holds the 4 corners of the window screen or storm frame together

Outside Thickness: 3/8 inch

Inside Thickness: 5/16 inch

Length: 1-3/4 inch

Material: Nylon/ Plastic 

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NOTE: Screen corners are made to fit certain frame materials. Frame material comes in different thicknesses and widths. The corner has to be able to slide into the hollow frame, So thickness is important, and styles can vary.