Prime-Line Products PL 7836 Screen Kit, 7/16-Inch X 3/4-Inch, 36-Inch X 36-Inch, White Make To Fit Screen Kit Includes: 7/16" x 3/4" White Frame Spline & Corners For 36" x 36" Screen 7/16 x 3/4 white frame 36 or 3 Ft. long Corners included Uses aluminum, fiberglass mesh, aluminum mesh or flexible poly film